"Yep, I'm selfish! I'm only in this to take care of myself. Guess you've got at least one thing right about me today. Excellent deduction skills!"

It hurts to chase her off---not that he'd ever admit it---but it's better that she's angry. He'd rather she hate his guts at this point. If she won't accept that there's something inherently wrong and creepy about this whole being from separate timelines and trying to interact thing, then at least she's making it easier for him to ditch her.

"I don't need to pretend something that's true, okay? Have a nice life! Don't call me!" And with that, he turns to stomp off again, bewildered space monkey in tow. "Come on, Joey, you heard the psycho bitch queen, she's on her own."