4. She makes fun of what she knows I’m sensitive about: “Can’t you do something about all that blubber?”
“Don’t say that!” If you pick on him for something you know he has issues with, you can end up hurting him so much that it takes a while for him to recover. If your boyfriend is self-conscious about his weight and trying to do something about it, bringing that up is a bit harsh. It’s probably a good idea to keep a mental list of things like this that are off-limits even when you’re fighting.