We all have our strong suits and it's wise to know our limitations. In your case, a solid grasp of reality is one area that you're having difficulty with. You're good at a lot of things. You can talk intelligently, even if most of those conversations are with yourself. You have a lot of friends, even if they're mostly imaginary. You're a good listener; just ask the voices in your head. But when it comes to being sane, rational and mentally healthy, let's just say you need some help and leave it at that.