He leans over and asks her “Do you mind if I sit with you?”.
The girl answers loudly “Hell no I don’t want to sleep with you, you fucking pervert!!!”
Everybody in the library looks at the guy and he feels humiliated.
After a few minutes, the girl walks over to him and softly says “I am a psychology student and I knew what you were thinking. I guess you were humiliated, right?”
The guy answers back loudly “200 bucks for a blow job? Are you fucking kidding me?”.
Everybody looks at the girl and she feels humiliated.
Then the guy says “well I am a lawyer and I know how to make someone feel guilty!!!”.