I don't think it's as simple as that. If I were in a same-sex relationship, I would crave the opposite sex. I think it's more that I'm less suited towards monogamy. But if we did pursue some sort of open relationship, this wouldn't be the time (since we live apart and have issues scheduling time together, neither of us are getting our needs met completely, but not from lack of ability or willingness, just logistics). He also connects love and emotion with sex more than I do. And then, ironically, I'm the one more likely to become jealous.

I'm also more attracted to men in a romantic sense than women. I just prefer the companionship with a man much better. I tend to think more like a man and identify in between male and female, so being with a male partner who understands and respects that and knows that I want to be "bros" and also sexually involved with him.

It's quite complex. At least I am. We've been seeing a therapist who really understands these things to help us sort it out (and help him to understand gender), among other things, such as improving communication. It's greatly strengthened the relationship. It's just being away from each other so much leaves us both feeling like emotional needs and sexual needs aren't being met. They would a lot more if we could live together, but we can't right now because of finances and jobs. It'll be a lot more possible in a year or a year and a half.