Why are people even so keen to find out what their "sexuality" is? The whole idea is bullshit. If you don't find Steven Seagal attractive, does that mean you're not attracted to men? No, it just means you don't like obese sexual predators with pony tails and fake hairlines. If you find that woman who works in Starbucks attractive, who has "Steph" on her name badge, does that mena you're attracted to women? To Starbucks employees? To people called Steph? Or just to that woman?
You meet a person, and you know whether or not you're attracted to them. You can't just jump ahead and try to decide you're attracted to a whole category of person, just because you're attracted to some people within that category. You're not attracted to ALL of them, right? And just because you've never been attracted to someone of a particular category, why would you try to use that to rule them out entirely? Have you met ALL of them?
And what if...and this is pretty far-fetched.... what if humans were capable of feeling differently about things at different times?
Screw your "sexuality". Decide who you want to fuck, on a person-by-person basis, in the moment. The rest is a load of bollocks. If you need a label so you can join some community...well...why would you join a community based on something as weird as who you mash genitals with?