Relationship advice should come from your own experiences, not a forum on picking up girls. Only you know what you can and cannot tolerate.

One of my friends's gf, I could never tolerate because she's an idiot, insults his intelligence and not good looking enough. I know for him, he will continue to eat that shit up and shes probably the perfect match for someone like him.

Find your limits. If your gf is annoying you, tell her but without being a little bitch. If she continues to annoy you, think about moving on. It would be weird and horrible to try and change her. If shes not compatible, find someone who is.

p.s. mr trust issues + attentionwhore gf is never a good match