Operational definitions: Where things get technical

First- time for a short squeal of delight. A personal first: Someone I know mentioned the split between romantic and sexual attraction without being asexual or, to my knowledge, knowing an asexual. This made me fiercely happy. It also gave me the perfect conditions with which to bring up asexuality for the first time with my LGBT, but various people interrupted and the topic moved on to something different.

Anyway, I’ve been stumbling across a new way of defining myself for a while now, and I think I’ve finally got it sorted. It reconciles asexual and homosexual in a way that demihomosexual never did for me.
It’s based on the idea that sexuality has a number of ways of defining it, subtly different in ways that normally don’t matter. The three which I’m largely thinking of are:

The social constructionist:
Sexuality is defined by identity, feelings, belonging. It isn’t prescriptive or intuitive. Whatever labels fit, stick. It’s also very generic and vague, offering absolutely no definitions of what sexuality is, how important sexual attraction is, etc. In being open, it is blurred and unspecific. According to this definition, I’m asexual.
The asexual:
A definition of sexuality created by people who were told about sexual attraction in the assumption that they’d already know about it. A logical, thorough image of sexuality, like painstakingly painting around something invisible. Very much based on the word attraction. Compartmentalised, due to the difference in the romantic and sexual feelings of many of its creators. I’m guessing I’ll get a bit of flak for saying that asexuality doesn’t reflect reality, but my point is that nothing does. Not completely. I think the asexual theory is utterly awesome because it’s the only one that really looks deep into the complexities of what orientation means. Under the asexual definition, I’m homosexual.
The behaviouralist:
Defined entirely by how you act/want to act. A pretty sucky approximation for orientation, but it has in its favour the fact that it’s actually more important than orientation, in a real-world kinda way. In this sense, I think I’m bi.

The nice thing about this is that it gives me a reasonably succinct description of my sexuality that invites dialogue and hints at the complexities involved, while referencing all the identities that are important to me (my preferred label, my technical label, my behaviour). It’s way better than the “Don’t know, not sure how to say it” that I’ve been trying for recently, which is so difficult to make not sound defensive. Instead, I’ve got “depends on what definitions you use. From a general understanding, I’m asexual. From an asexual understanding, I’m homosexual. From a behavioural understanding, I’m bisexual.” Which is- well, it’s the most compact I’ve got it since I gave up being asexual, and it makes me feel so much happier than any partial label.