I think the ultimate expression a human can manifest is love. And not all love is created equal. I think the highest love is truly unconditional love, agape, which God has for us, his children.
Upon contemplating a hypothetical romantic partner for myself, it dawned on me that if I say, "I am heterosexual and therefore my perfect mate is a male," that is the same as saying, "I am a homosexual and my perfect mate is a female". But what if my perfect mate is actually something other than what I think I identify with? This happens in other things regarding our lives, we think we *know* something but God shows us otherwise.
I think perhaps the Godliest way to be, if we want to live in God's will for us, is to just say we are sexual, if we must say anything at all. Perhaps we should just say we are loving, because we should not really be sexing for sex's sake, but for love, making love the primary impetus for sensual and sexual relations anyway.
If we say we are X-sexual, we are trying to control who we love. And we are saying that who we love is based on who we want to have sex with. We are allowing our sexual inclinations (more superficial) to dictate love. Since love is THE primary substance of everything (because God is love and God is everything), this is wrong. So, for these reasons identifying who we are based on some misguided sexual notions, is not Godly.
So, no, I'm not bisexual. I'm not heterosexual. I'm not homosexual. I'm just loving. And when God wants me to have a sexualoving relationship, he'll give me someone to love that I may be sexual with.