Some more items for the list of common negative transactions we often encounter on dates:
2nd date:
She is talking excitedly about her friend John who is a brilliant guitar player.
He thinks: Is she going to give me the "just a friend" status, too? Or perhaps she only agreed to have a date tonight because she has nothing else to do... Hey, stop telling me about your male-friends, I have something to tell you, too!"
He says: Hm, there's a girl in our university, very gorgeous. She's laughing like silly all the time, but she's very popular among half of the students.
Common interpretation: At the initial stage of relationships we all are especially sensitive to all kinds of rivalry. I'm not yet that certain you love me, so a male name you pronounce is something like a capital sentence for me. Our date is for two of us only, and there's no need of involving someone else.

4. The third date and everything that comes after:
She is late for 15 minutes.
He thinks: She's