So, then it is a choice? I choose to love savory foods, but I hate sweets. I choose water over soda and when I do drink soda, I choose Dr. Pepper. It's all a choice that I make. Or am I still not getting it?
Then you don't remember the countless news interviews back in the day, where gays came out said that it's a choice. That it isn't a sickness. This whole thing confuses the Hell out of me.
Ask yourself the same question about heterosexuality, how would you define it? I would define it as a way of being, something inherent (i.e., just is, just exists by the pure nature that sexuality is a part of the human life).
People who say it is a choice are most likely referring to the stupid idea that it can or cannot be acted upon. Which is total bull****, because humans have a physical need for sexual contact as well as emotional contact with other humans. So sure, if they can magically eliminate that primal need for sex, then you might be able to swing it and say avoiding sex with a same sex partner "is a choice" Maybe. Otherwise it really isn't.
Ask yourself if you choose who you find attractive, or does it come sort of automatically?