#1, go someplace far away from him for some times.------- no eye see is best medicine.
#2, find a next BF, better than him..--- it is very happy to see him get jealous.
#3, give yourself a make over, make you look better than the girl friend he dating now, and tell him : get loss! if he try to come back to you...---- it is fun.
#4, start tell everybody how bad he is, talking too much about that, you will hate him and forgive about him.----- you got released.