Eldritch Warlord said:
Even if a committee of doctors feels the need to be politically correct it doesn't change the fact that not being attracted to your sexually compatible gender is abnormal. In psychology having an abnormal mental condition is insanity.
It is nothing to do with being politically correct. Actually try reading the link I gave you, properly. The doctor himself said specifically that there had never been any scientific evidence to point out that homosexuality was a mental illness.
Your definition of insanity is far too strict. You seem to imply that any kind of deviance equates to insanity, which would be a hilarious overstatment. There is simply no one who doesn't deviate in some way, be it in sexual orientation, religious views, political views, even behaviour in a certain circumstance. Therefore, deviation is paradoxically normal, leaving the whole function of the term "insanity" to break down.
You have to be more flexible with your terminology or it will not hold up against any proper semantical argument. In this case, you should use "insanity" only to refer to a state in which a person no longer functions as a part of society. Homosexuality is not crippling in those terms.