I Cant Stop Think About Him?

My Ex We Broke Up Pretty Much A Month Ago, He Cheated On Me And Kissed Another Girl. Ever Since Then A Day Hasnt Gone By And I Not Think Of Him. We Dated For About 3 Months. Do I Still Have Feels For Him? Why Do i Keep Thinking Of Him? Also Please Dont Say It Takes Time, Or 3 Months Isnt That Long, If Thats Wat Your Gonna Say Please Dont Answer. Thanks.