HOW???

There are plenty of them tell me not to think, get over it! But HOW?
I need to know how? What should i do? everything is keep turning in my mind i didnt want it to bother me. Please....take it away from me!!! I just want to be myself. The one who doesnt know 'you'. The me who doesnt know your exist!!! But i guess there's no magic posion which make people forget the past. i should psyco and psyco myself!!! I wana get rid of everything....is everything!