I mean, there's no real other way to classify sexuality beyond self-selection. There might be bias in it, but that's okay and can be accounted for. And it does

I mean, there's no real other way to classify sexuality beyond self-selection. There might be bias in it, but that's okay and can be accounted for. And it doesn't have to explain sexual fluidity. Human sexuality is pretty flexible by nature, but you could easily see that some genetic changes could lead to predisposition.