But she's going so far she's looking like a nutter dating a caveman. There's a happy medium of expressing your dissatisfaction without behaving quite as oddly as she is. I think he's panicking and opening his mouth without thinking. Although I do agree he genuinely does think some of that stuff, but might not phrase it so badly if he wasn't completely unsure of how to react to her.
As ever, very bad pairing. I'm not sure she's stable enough to be on the show, but then you have to be bonkers to apply, so....