diff --git a/src/Discord.Net.Core/API/Rest/BlockUserParams.cs b/src/Discord.Net.Core/API/Rest/BlockUserParams.cs
deleted file mode 100644
index c169a6097..000000000
--- a/src/Discord.Net.Core/API/Rest/BlockUserParams.cs
+++ /dev/null
@@ -1,11 +0,0 @@
-using Newtonsoft.Json;
-
-namespace Discord.API.Rest
-{
-    [JsonObject(MemberSerialization = MemberSerialization.OptIn)]
-    public class BlockUserParams
-    {
-        [JsonProperty("type")]
-        public RelationshipType Type { get; } = RelationshipType.Blocked;
-    }
-}
diff --git a/src/Discord.Net.Core/Discord.Net.Core.csproj b/src/Discord.Net.Core/Discord.Net.Core.csproj
index 9f75d7327..d78840281 100644
--- a/src/Discord.Net.Core/Discord.Net.Core.csproj
+++ b/src/Discord.Net.Core/Discord.Net.Core.csproj
@@ -1,4 +1,4 @@
-<Project ToolsVersion="15.0" Sdk="Microsoft.NET.Sdk" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+<Project ToolsVersion="15.0" Sdk="Microsoft.NET.Sdk" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
   <PropertyGroup>
     <VersionPrefix>1.0.0</VersionPrefix>
     <VersionSuffix Condition="'$(BuildNumber)' == ''">rc-dev</VersionSuffix>
diff --git a/src/Discord.Net.Core/Entities/Users/IRelationship.cs b/src/Discord.Net.Core/Entities/Users/IRelationship.cs
new file mode 100644
index 000000000..6403184e7
--- /dev/null
+++ b/src/Discord.Net.Core/Entities/Users/IRelationship.cs
@@ -0,0 +1,9 @@
+namespace Discord
+{
+    public interface IRelationship
+    {
+        RelationshipType Type { get; }
+
+        IUser User { get; }
+    }
+}
diff --git a/src/Discord.Net.Core/Entities/Users/IUser.cs b/src/Discord.Net.Core/Entities/Users/IUser.cs
index b7e807d8e..6196630a5 100644
--- a/src/Discord.Net.Core/Entities/Users/IUser.cs
+++ b/src/Discord.Net.Core/Entities/Users/IUser.cs
@@ -21,5 +21,12 @@ namespace Discord
         Task<IDMChannel> GetDMChannelAsync(CacheMode mode = CacheMode.AllowDownload, RequestOptions options = null);
         /// <summary> Returns a private message channel to this user, creating one if it does not already exist. </summary>
         Task<IDMChannel> CreateDMChannelAsync(RequestOptions options = null);
+
+        /// <summary> Adds this user as a friend, this will remove a block </summary>
+        Task AddFriendAsync(RequestOptions options = null);
+        /// <summary> Blocks this user, and removes friend relation </summary>
+        Task BlockUserAsync(RequestOptions options = null);
+        /// <summary> Removes the relationship of this user </summary>
+        Task RemoveRelationshipAsync(RequestOptions options = null);
     }
 }
diff --git a/src/Discord.Net.Core/Entities/Users/RelationshipType.cs b/src/Discord.Net.Core/Entities/Users/RelationshipType.cs
new file mode 100644
index 000000000..71dd3eb3c
--- /dev/null
+++ b/src/Discord.Net.Core/Entities/Users/RelationshipType.cs
@@ -0,0 +1,14 @@
+using System;
+using System.Collections.Generic;
+using System.Text;
+
+namespace Discord
+{
+    public enum RelationshipType
+    {
+        Friend = 1,
+        Blocked = 2,
+        IncomingPending = 3,
+        OutgoingPending = 4
+    }
+}
diff --git a/src/Discord.Net.Core/IDiscordClient.cs b/src/Discord.Net.Core/IDiscordClient.cs
index 620f5bde8..1d3bf3df7 100644
--- a/src/Discord.Net.Core/IDiscordClient.cs
+++ b/src/Discord.Net.Core/IDiscordClient.cs
@@ -31,10 +31,7 @@ namespace Discord
         Task<IUser> GetUserAsync(ulong id, CacheMode mode = CacheMode.AllowDownload);
         Task<IUser> GetUserAsync(string username, string discriminator);
 
-        Task<IReadOnlyCollection<Relationship>> GetRelationshipsAsync();
-        Task RemoveRelationshipAsync(ulong userId);
-        Task AddFriendAsync(ulong userId);
-        Task BlockUserAsync(ulong userId);
+        Task<IReadOnlyCollection<IRelationship>> GetRelationshipsAsync();
 
         Task<IReadOnlyCollection<IVoiceRegion>> GetVoiceRegionsAsync();
         Task<IVoiceRegion> GetVoiceRegionAsync(string id);
diff --git a/src/Discord.Net.Rest/BaseDiscordClient.cs b/src/Discord.Net.Rest/BaseDiscordClient.cs
index a9d71e440..f151bfab1 100644
--- a/src/Discord.Net.Rest/BaseDiscordClient.cs
+++ b/src/Discord.Net.Rest/BaseDiscordClient.cs
@@ -122,10 +122,7 @@ namespace Discord.Rest
         /// <inheritdoc />
         public void Dispose() => Dispose(true);
 
-        public Task<IReadOnlyCollection<API.Relationship>> GetRelationshipsAsync() => ApiClient.GetRelationshipsAsync();
-        public Task AddFriendAsync(ulong userId) => ApiClient.AddFriendAsync(userId);
-        public Task BlockUserAsync(ulong userId) => ApiClient.BlockUserAsync(userId);
-        public Task RemoveRelationshipAsync(ulong userId) => ApiClient.RemoveRelationshipAsync(userId);
+        public Task<IReadOnlyCollection<IRelationship>> GetRelationshipsAsync() => ApiClient.GetRelationshipsAsync();
 
         //IDiscordClient
         ConnectionState IDiscordClient.ConnectionState => ConnectionState.Disconnected;
diff --git a/src/Discord.Net.Rest/DiscordRestApiClient.cs b/src/Discord.Net.Rest/DiscordRestApiClient.cs
index 3c837da6e..05dc8a6fc 100644
--- a/src/Discord.Net.Rest/DiscordRestApiClient.cs
+++ b/src/Discord.Net.Rest/DiscordRestApiClient.cs
@@ -1030,10 +1030,10 @@ namespace Discord.API
         }
         
         //Relationships
-        public async Task<IReadOnlyCollection<Relationship>> GetRelationshipsAsync(RequestOptions options = null)
+        public async Task<IReadOnlyCollection<IRelationship>> GetRelationshipsAsync(RequestOptions options = null)
         {
             options = RequestOptions.CreateOrClone(options);
-            return await SendAsync<IReadOnlyCollection<Relationship>>("GET", () => "users/@me/relationships", new BucketIds(), options: options).ConfigureAwait(false);
+            return await SendAsync<IReadOnlyCollection<IRelationship>>("GET", () => "users/@me/relationships", new BucketIds(), options: options).ConfigureAwait(false);
         }
         public async Task AddFriendAsync(ulong userId, RequestOptions options = null)
         {
@@ -1047,7 +1047,7 @@ namespace Discord.API
             Preconditions.NotEqual(userId, 0, nameof(userId));
             options = RequestOptions.CreateOrClone(options);
 
-            await SendJsonAsync("PUT", () => $"users/@me/relationships/{userId}", new BlockUserParams(), new BucketIds(), options: options).ConfigureAwait(false);
+            await SendJsonAsync("PUT", () => $"users/@me/relationships/{userId}", new { value = 2 }, new BucketIds(), options: options).ConfigureAwait(false);
         }
         public async Task RemoveRelationshipAsync(ulong userId, RequestOptions options = null)
         {
diff --git a/src/Discord.Net.Rest/Entities/Users/RestSelfUser.cs b/src/Discord.Net.Rest/Entities/Users/RestSelfUser.cs
index ab5ec4a3b..4ebe8ee8f 100644
--- a/src/Discord.Net.Rest/Entities/Users/RestSelfUser.cs
+++ b/src/Discord.Net.Rest/Entities/Users/RestSelfUser.cs
@@ -49,5 +49,14 @@ namespace Discord.Rest
             var model = await UserHelper.ModifyAsync(this, Discord, func, options).ConfigureAwait(false);
             Update(model);
         }
+
+        Task IUser.AddFriendAsync(RequestOptions options) =>
+            throw new InvalidOperationException("You can't friend yourself!");
+
+        Task IUser.BlockUserAsync(RequestOptions options) =>
+            throw new InvalidOperationException("You can't block yourself!");
+
+        Task IUser.RemoveRelationshipAsync(RequestOptions options) =>
+            throw new InvalidOperationException("You don't have any relations with yourself!");
     }
 }
diff --git a/src/Discord.Net.Rest/Entities/Users/RestUser.cs b/src/Discord.Net.Rest/Entities/Users/RestUser.cs
index b439fb886..c98f0c703 100644
--- a/src/Discord.Net.Rest/Entities/Users/RestUser.cs
+++ b/src/Discord.Net.Rest/Entities/Users/RestUser.cs
@@ -59,5 +59,20 @@ namespace Discord.Rest
             => Task.FromResult<IDMChannel>(null);
         async Task<IDMChannel> IUser.CreateDMChannelAsync(RequestOptions options)
             => await CreateDMChannelAsync(options).ConfigureAwait(false);
+
+        public Task AddFriendAsync(RequestOptions options = null)
+        {
+            throw new NotImplementedException();
+        }
+
+        public Task BlockUserAsync(RequestOptions options = null)
+        {
+            throw new NotImplementedException();
+        }
+
+        public Task RemoveRelationshipAsync(RequestOptions options = null)
+        {
+            throw new NotImplementedException();
+        }
     }
 }
diff --git a/src/Discord.Net.Rpc/Entities/Users/RpcUser.cs b/src/Discord.Net.Rpc/Entities/Users/RpcUser.cs
index e78aee008..e091d5c5e 100644
--- a/src/Discord.Net.Rpc/Entities/Users/RpcUser.cs
+++ b/src/Discord.Net.Rpc/Entities/Users/RpcUser.cs
@@ -54,5 +54,20 @@ namespace Discord.Rpc
             => Task.FromResult<IDMChannel>(null);
         async Task<IDMChannel> IUser.CreateDMChannelAsync(RequestOptions options)
             => await CreateDMChannelAsync(options).ConfigureAwait(false);
+
+        public Task AddFriendAsync(RequestOptions options = null)
+        {
+            throw new NotImplementedException();
+        }
+
+        public Task BlockUserAsync(RequestOptions options = null)
+        {
+            throw new NotImplementedException();
+        }
+
+        public Task RemoveRelationshipAsync(RequestOptions options = null)
+        {
+            throw new NotImplementedException();
+        }
     }
 }
diff --git a/src/Discord.Net.WebSocket/Entities/Users/SocketRelationship.cs b/src/Discord.Net.WebSocket/Entities/Users/SocketRelationship.cs
new file mode 100644
index 000000000..1fed00801
--- /dev/null
+++ b/src/Discord.Net.WebSocket/Entities/Users/SocketRelationship.cs
@@ -0,0 +1,11 @@
+using System;
+
+namespace Discord.WebSocket
+{
+    public class SocketRelationship : IRelationship
+    {
+        public RelationshipType Type { get; private set; }
+
+        public IUser User { get; private set; }
+    }
+}
diff --git a/src/Discord.Net.WebSocket/Entities/Users/SocketSelfUser.cs b/src/Discord.Net.WebSocket/Entities/Users/SocketSelfUser.cs
index 0f6d4e4f1..b7531ffc6 100644
--- a/src/Discord.Net.WebSocket/Entities/Users/SocketSelfUser.cs
+++ b/src/Discord.Net.WebSocket/Entities/Users/SocketSelfUser.cs
@@ -46,6 +46,15 @@ namespace Discord.WebSocket
         public Task ModifyAsync(Action<SelfUserProperties> func, RequestOptions options = null)
             => UserHelper.ModifyAsync(this, Discord, func, options);
 
+        Task IUser.AddFriendAsync(RequestOptions options) =>
+            throw new InvalidOperationException("You can't friend yourself!");
+
+        Task IUser.BlockUserAsync(RequestOptions options) =>
+            throw new InvalidOperationException("You can't block yourself!");
+
+        Task IUser.RemoveRelationshipAsync(RequestOptions options) =>
+            throw new InvalidOperationException("You don't have any relations with yourself!");
+
         internal new SocketSelfUser Clone() => MemberwiseClone() as SocketSelfUser;
     }
 }
diff --git a/src/Discord.Net.WebSocket/Entities/Users/SocketUser.cs b/src/Discord.Net.WebSocket/Entities/Users/SocketUser.cs
index 574e79b6e..5b47a1ad4 100644
--- a/src/Discord.Net.WebSocket/Entities/Users/SocketUser.cs
+++ b/src/Discord.Net.WebSocket/Entities/Users/SocketUser.cs
@@ -55,5 +55,20 @@ namespace Discord.WebSocket
             => Task.FromResult<IDMChannel>(GlobalUser.DMChannel);
         async Task<IDMChannel> IUser.CreateDMChannelAsync(RequestOptions options)
             => await CreateDMChannelAsync(options).ConfigureAwait(false);
+
+        public Task AddFriendAsync(RequestOptions options = null)
+        {
+            throw new NotImplementedException();
+        }
+
+        public Task BlockUserAsync(RequestOptions options = null)
+        {
+            throw new NotImplementedException();
+        }
+
+        public Task RemoveRelationshipAsync(RequestOptions options = null)
+        {
+            throw new NotImplementedException();
+        }
     }
 }