Gaining

What do you hate about not gaining weight?

For those of you who have fantasized about gaining but haven't taken the plunge, as well as those who HAVE gained on purpose but initially couldn't or wouldn't:

I have a pretty good idea what you like about gaining...but

What do/did you HATE about NOT gaining?
8 years

What do you hate about not gaining weight?

I hated not being able to pop buttons...
8 years