Slight nerf

DeukBot4/MessageHandlers/MainHandler.cs

@@ -84,6 +84,8 @@ namespace DeukBot4.MessageHandlers
             string newName;
             var lower = message.Content.ToLowerInvariant();
 
+            if (lower[0] != 'i')
+                return;
             if (lower.StartsWith("i'm "))
             {
                 newName = message.Content.Remove(0, 4);
@@ -100,6 +102,8 @@ namespace DeukBot4.MessageHandlers
             {
                 return;
             }
+            if (newName.Length > 15)
+                return;
 
             await message.Channel.SendMessageAsync($"Hi {newName}, i'm Deukbot");
             await guildUser.ModifyAsync(user => user.Nickname = newName);