I want to tell my girlfriend she looks bloated
Why would you want to bring up the fact that your gf is carrying excess weight?
She does looks like a bit fat and she need to know it.
Maybe you should just keep that one to yourself. You should not tell people that they look overweight. It comes across rude.
Man I can't stand her weight anymore. I don't even care if she get mad at me for saying it.
This is a very inconsiderate move to speak your mind about your gf's weight as it can be hurtful to her. Let go of your preoccupation with material looks and focus on her inner beauty.