love

hello... im in love with this girl.. and she was in love with me... well i dont exactly know if he really did or does... but one day suddenly she started too hate me.. she said she doesnt want me to love her and stuff... but one of her friend told me before that she is pretending to love me.. but im trying too prove her friend wrong.. and when i ask her wats the reason to hate me suddenly or something she keeps saying "idk" ... i always tell her that i dont want to lose her and all butt its not working...

i just want to know wat to do ?