You shouldn't base a relationship on looks
Jamie has a crush on Angel who is beautiful but mean, and he knows that Michelle being an average but nice girl loves him.
Jamie wants to get a girlfriend.
Jamie admiring Michelle's niceness asks her to be his girlfriend and forgets about Angel.
Jamie being fascinated by Angel's charm asks her to be his girlfriend and Angel agrees.
Michelle agrees to be his girlfriend, and she takes care of Jamie very well.
Michelle feels sad and depressed because she loves Jamie so much.