[header] How to get over the guy that has a girlfriend [title] Figure out why you're attracted to him. [step] Think about what made you fall for him in the first place. It could be his looks, personality, or a combination of the two. 
It could be that you're not even attracted to him and there are other reasons why you're pursuing him-like a vulnerable point in life. Understanding what attracted you to him is the first step to letting go of him.