How do i stop loving a girl?

we went out for 1 yr and 8 months but im only 17 it was my first love we broke up 2 months ago she seems like shes compleatly over me we dont even talk anymore she wont talk to me i dont kno why but ne ways we broke up because of her perents they were gonna like send her away if we didnt brake up but i kno for a fact that it was her perents and not her they personally came to me and the thretened my parents and stuff i told them off sooo badddddddddddddddddd but it was stupid cause i dont do ne thing wrong but i guess they tought i smoked and stuff but w/e how do i get over herrr cause i can go out with this other girl shes prety but i dont kno it just feels really weird to kiss and be with someone else i cant handle it