This section of the text seemed really odd to me. Why would she react with revulsion to an offer of sex 20 moves ahead? I mean, maybe he's not to her (present) taste, but revulsion seems a stronger emotion than is really warranted.
The protagonist of that story is a Hollywood Rationalist. She doesn't really have any purpose behind most of her actions; it seems that (at least at the beginning), the only reason she uses rationality is to antagonize other people and make conversations awkward. Unsurprisingly, she becomes unhappy.
In that particular context, since "I'd like to take you to a show" and "I'd like to have sex with you" both demonstrate one common fact, that he wants to have sex with her, she considers them as being totally equivalent. Though it's still unc...
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