This is one of those problems that I haven't had since I turned 21
Mainly because I don't waste time talking to people unless I actually want to talk to them, and sometimes even if I want to talk, I don't

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Besides, when you learn how to read people's patterns, you'll not have this problem - you'll know when she's gonna bush you or "zone" you as opposed to fukk you. Then it's up to you to proceed from there. Is there a mutual usefulness to each other platonically? Will she be good to add to my circle? If not, then have a nice life.
I don't believe that men and women "can't" be friends at all, I think the exact opposite. It just depends on how good you are at managing either one of two things - any physical attraction on your end, or any sexual tension lingering between the two of you. And eventually that dissipates anyway - at least for me it does.