what's up guys! i got a problem with my ex. and i would like some one 2 help me.

her it goes.

i know that girl,she's so sexy an 8 by the way with a body of a greek goddess. i was c&f,alpha,every thing...we hit it off , in the 1 month we were awesome together ,having fun kissing all the time every thing , but in the end of it i don't know what happened she became cold like saying 2 her i miss u and she says ok not like in the beginning when she says i miss u 2 or she is the one who starts saying i miss u like 10000 times in the day, i told her why u being like this i don't like that, she told me i don't know what's up with me and i know u didn't do any thing bad and ur the best but i don't what's wrong so i told her ok take ur time but i want u 2 know that i will always be here for u and i gave her the supporting talk blablablabla......
i left her for 2 days without talking or calling giving her the space she needs, but i didn't found her calling me or any thing so i walked away off the relation and after a week i found her talking 2 me and saying why ur not calling me and stuff like that, i told her u can't leave me 4 a week without talking and want me 2 call its not like u calling me every day and i'm the one who's not calling back,her where she knew that i broke up with her.
after 2 mothes we begin 2 talk again but this time she's cold with me i teases her and she's teasing me back , but i fell that is not the fun, lovely,caring girl i knew may be she is hurt from me caz i left her or someting but i don't know.
the problem is i like that girl so much and i think about her from time 2 time and i loved the fun times we had together and i want her back.but i want 2 do it the right way , but i don't know how,help me guys....