PLEASE help..guy troubles..?

I think you should go easy at first, but do deliberately walk towards him and smile 'n say Hi as you walk past. If he stops you, make small talk for 10 minutes or less, then politely excuse yourself and mumble something about you have to go now and say "catch ya later." (You should end the conversation first; not him, and then you can walk on). If he gets your phone number to call you later, go through the same routine... make small talk for 10 minutes or less, politely excuse yourself and get off the phone. You don't have to explain why, just do it. He needs to get the impression that you have a life, things to do, places to go, etc., etc. That will make you more appealing to him and just might trigger him wanting to become friends with you again.