introverts remorse

This term is intended to highlight the internal conflict introverts often face between their need for solitude and their attempts to fit into socially expected behaviors.

He called his friends to follow up on weekend plans and immediately felt a sense of introverts remorse

fat man's remorse

when one eats too much intentionally and then gets heart burn or feels bloated or throws up immediately afterward
something that girlfriends of fat guys everywhere have to put up with and there's no remedy to it because fat guys will not listen when it's in the heat of the moment with that beloved food item

"What's wrong with Mark?"
"Oh, he's just suffering from fat man's remorse."

"Baby, didn't I tell you you were going to have fat man's remorse? That's why you should've have stopped after the 8th piece of chicken!"

"This is the last time I'm experiencing your fat man's remorse. I'm just going to start withholding sex from you next time you want to eat those fried twinkies."