HOW TO GET OVER MY FIRST LOVE?

we been off and on this summer but we finally stop talking...i can feel im startin to lose feelings but i still have a little in me that still wants her...what should i do? i really can't go back to her because she treated me like ****..she think she right about everything and always accuse me of things i really don't be doing...i want to be completely be over her... help please