I know, right?  Not only was she cowardly, but rude too! He called her to the parking lot so he could tell her something. Instead, she tells him to end the fake relationship and then just walks off! She never even lets him talk. Sometimes, I think the writers are some of the dumbest people around with these gimmicks! In real life, the guy would have said, "Wait! Hold on! I still have something to say!" instead of just standing there like an idiot.