My boyfriend loves watching children's cartoons and I want to tell him to stop.
Did he tell you he wouldn't watch them anymore?
Yeah, he promised not to watch the stupid shit anymore but he keeps doing it.
Even if you don't like children's cartoons, you don't have a right to tell your boyfriend what he can and can't watch. If he likes watching cartoons, he should be able to watch them.
I'm going to cry. I love my boyfriend so much, but what can I do?
You shouldn't do anything since your boyfriend has the right to watch what he enjoys. If his cartoon watching really upsets you this much you need to talk to him about it, but don't force him to stop watching. If it's this upsetting to you, it may also be a good idea to just end the relationship.