Girls!!! hw 2 read hr mind?y she's doing lyk that?? ?

i luvd a gal n she accepted my proposal aftr 2 moths..nw d prblm is she s hesistating 2 come wit me.she said me 2 wait fr some yrs 2 complete hr graduation.i said ok bt asked hr 2 enjoy wit me like othr lovers.she is nt accepting atleast 2 talk in phone...wat's in hr mind??do u girls say no fr d date if ur boy asks u??