"and if you count bisexual girls with daddy issues, I've met even more."
So I take it confidant women are not in your league.
"That and many hetero males seem to find two women going at it arousing (providing of course they are really bi-sexual, and they could get in on it)."
Studies have shown that for many people sexuality is really on a sliding scale and not fixed the are plenty of homosexuals that have sexual encounters with the opposite sex.
Some people are strictly hetero others are strictly homo and there are many some place in between you'll never know for sure because the stigma towards certain sexuality some people reveal their true feelings to only a few.
http://en.wikipedia.org/wiki/File:Kinsey_Scale.svg