When he doesn't kiss you or hug you or hold you or cuddle with you. when he doesn't speak to you or talk to you about things for a long period of time.
BOTH!
Tell him that your feelings have changed about him, and that you rushed into things without thinking
ask him.... scary but simple
confront him or if you do do it and if he doesnt he wont and will tell u
what i would do is tell your guy that you arent sure about the relationship and tell him u ain't ready and try to stop the other man if you love him it might be the last time you see him go for it you should at least let him know you love him before he leaves
try and cause trouble with the guy your dating
if they are real friends just tell them and they should believe you.
Ignore the guy for about 2 weeks and they wont think your dating if you don't talk to each other
tell him to get away from you, or file for a restraining order.
If you can't get away from your mother long enough to have a 3 second conversation then you probably shouldn't be dating anyone at all
Just say that you are dating someone else at this time. If he knows you're not dating anyone, tell him he's a great guy, but you don't feel you two are compatible.
Honesty is always the best policy.