to some its all about experimenting an try new thing and explorer the unknown. to some its because they want to impress their friends by getting a girl and to a few it is because they authentically...
Be yourself! Don't show off to much in front of the girl you like to much. If you just be yourself then everything should be alright if she is into you! =) first of all don't dress like other guys....
Well if he has a girlfriend but likes you why wouldn't he break up with her? He might just be a player or else to afraid to dump her. Once they do break up you still might wanna watch your back ae...
Leave the Guy Alone.
Leave the guy alone. Try not to put other people's relationships in peril, as I highly doubt you'd like the same happen to you.
NEW
Dont listen to them go for it. Talk to him...