The person i hate

There is a person.She likes to make me upset.She lie about the stuff borrow from me.Actually ,the stuff is at her now but she said she do not have the stuff so i just shut up..although i know the stuff at her.... I very hate her.But now she has move from where i school now...i don't know why she always take my stuff without my permission...but i had forgive her..i dont want to hate to other person..if we hate someone ,someone will hate me .......