HELP i cant get over my ex its been 2 months?

we were together 2 half yrs. i cheated the first month i told him and for the next 2 yrs he thought it was okay when we argue to cheat n talk to girls. he treated me bad most of the yrs anyways but i took it cause i cheated in the beginning. . i stalk his fb he talks to so many girls. i feel like im dying im so sick.please help will i ever stop missing and loving him?