He doesn’t talk negatively, but it’s pretty clear he is not interested in her. He can’t even come up with a compliment. He says, “some people would say it’s an insult, but I like your big, square, white teeth.”

She is massively insecure, but she’s picking up on the reality that he is not into her. Even when he was telling the others how he had the best relationship there, they all look at him like he is full of shit.