Sometimes I hate being right.
The advice is as follows:
Step 1: Offer him tea (also known as "The Chastest of Beverages")
Step 2: Endure awkward double-entendres (or really awkward single-entendres)
Step 3: Ask him to leave
Why not skip right to step three? Because AWKWARDNESS.
In the scenario offered, the woman is afraid making things awkward if they have to see each other again in a professional context. Her suitor's not, though. I mean, I don't think a guy who launched into a Q&A session about her lesbian roommate's sex life, expressed an interest in putting her legs up "in a T", flat-out said "I want to sleep with you" and then - after being turned down - asked her to show him her boobs, is too concerned about a professional relationship.
And yet, here's a woman who thinks it's impolite to simply say: "no, I don't want to sleep with you, please leave my apartment."
And she's not alone. As one commenter put it: