It's interesting you introduced the word "sexual". There may be more to this conversation than I'm aware of, but she seemed to mention only dating and getting together, both of which can occur without any sex (at least to begin with).
http://www.scottaaronson.com/writings/selfdelusion.html
..."This is kind of awkward, but, um, I've been noticing you in class—and, like, I'd really love to get to know you better, and I was just wondering"—his voice cracked—"if maybe this weekend you wanted to go see Hamlet at the Repertory Theater with me?"
Leaning against a locker with one hand, I chewed the thumbnail of the other, gazing at the blue-and-white checkered tiles on the floor. Despite his verbal ineptitude, at six-foot-two Eric is one of the more desirable seniors, and many
2:45:24 PM Katja Grace: The main thing that puts me off in online dating profiles is lack of ambition to save the world
2:45:35 PM Katja Grace: Or do anything much
2:48:03 PM Michael Blume: *nods*
2:48:07 PM Michael Blume: this is indeed a problem
2:57:55 PM Katja Grace: Maybe there is a dating site for smart ambitious nerds somewhere
2:58:25 PM Katja Grace: Need to set up lw extension perhaps
2:59:02 PM Michael Blume: haha, yes ^^
3:00:40 PM Katja Grace: Plenty of discussion on why few girls, how to get girls, nobody ever says 'oy, girls on lw, want to get together some time?'
3:01:14 PM Michael Blume: somebody really should say that
3:01:34 PM Michael Blume: hell, I'm tempted to just copy that IM into a top-level post and click 'submit'
3:01:48 PM Katja Grace: Haha dare you to