i feel im goign through the same as you man, just hasnt gotten in it as deep just yet, she is really close one week with me, then next week shell go see another boy and just be completly diffrent. makes me feel bad! i try my best to fix her problems for her and mostly do make her happy etc i would of thougth that would of been enough, seems to me when she has a problem she just decides to come back to me.. really gets on my tits!