Any idea how to erase PERSON in our memory ?!

Salam .. If our life is easier like what we thought .. But then ............ Hurm .. Do you know how to forget someone that keep appear in our mind .. Yes for sure that person is someone before but then it WAS BEFORE .. Try to live by forgetting that person unfortunately it not easy like saying .. If it does .. hurm .. help me .. its complicated ,, any idea .. huuuuuuuuuuuurrrrrrrrrmmmm  

;'(