SWB, yes, you're crazy! We're all crazy!
Honestly, from the posts I've read of yours, you seem to be very aware of reality (am I way off here?) so I don't think you're in deep trouble. I read somewhere that a mental condition is only considered a 'disorder' if it messes up your life. If you are functioning OK in society (this does not mean that you're winning popularity contests, just that you are reasonably happy and productive) then you don't have a disorder, per se.
I don't know you, but I gather from your posts that you and I are very much alike, and here, again, is my diagnosis: We think too much!
If anything, you may have a tendency to obsess over things (like I do), and a compulsion to chew up ideas until they are fully digested, all the while taking more bites. This *can* become a problem--if you let it.
Personally, I've given up on the idea that I'm perfectly sane (i.e., boring). But I know that I'm not 'crazy' either.
PS. Check out: http://www.prometheussociety.org/articles/Outsiders.html.
All of us here, regardless if we're obsessive-compulsive, bipolar, schizophrenic, depressed, or anything else, have a neurobiologic condition in our brains. There's nothing that we did wrong in life that allowed us to develop our diseases. And, if you are properly diagnosed with a particular mental illness, don't fear. All of us are here for support, and in this day and age, there's so many revolutionary treatments to overcome our problems. Good luck and God bless! 
Linear Mode
