I get where you're coming from, actually. I have no interest in sex myself, and what usually stressed me out in regards to that was the fact that everyone around me would always ask, "Well, how do you know you won't like it?" or "What is it about sex that you find unappealing?" I'd wind up second-guessing myself and feel pressured into having sex, even when not with someone who wanted it from me. Eventually I accepted that, no, I don't have any interest in sex; and even if I do want it later on in my life, it doesn't change how I feel now. You do not have to have sex if you don't want to, nor do you have to expect yourself to want it like most everyone else.

As it was said, I believe Emma's problem was her OCD. I get how it would feel disheartening, though. Glee makes a big fuss about including minorities and "accepting you the way you are" and then forgets to include...a lot of other minorities. Oops. Biting off more than we can chew, are we, Glee?