Rules Girls utilize the Positive Touch
If you like him, utilize some positive touch.
Non-Verbal Communication: Positive Touch -- powered by ExpertVillage.com
Being too girly-touchy is uber annoying and makes you look ridic. Too many hand on arm touches, or standing too close to the guy can be more to your detriment than helpful. However - positive touch does, as Tracy Goodwin says, relay positive emotion.
Show that positive emotion, without throwing yourself at him.
Don't have closed off body language with arms crossed.
Give good eye contact.
Give him a little positive touch.