If you like a guy and he has a girlfriend then you should back off and only try and be his friend.
If he has a girlfriend, and he likes you, then surely he is not the kind of guy you want to be seeing? I think it would get messy and you would loose friends if either you, or the guy in question tried to change anything.
If the boy has a girlfriend, find a guy that doesn't have a girlfriend.
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He has a girlfriend. So you butt out. It's not complicated.
you use his girlfriend like a ladder and jump over him
tell him how you feel i really like this guy know named Blake Johnson i told him i liked him and now we're dating:)
Well, its ok for them to hang out. If you trust her, then yes, if not then go with her. Like a double date.
Spy on him! A wife caught a guy redhanded giving nude photos of himself to his girlfriend.
You shouldn't flirt with him if he has a girlfriend.
You simply ask him.