friendship to love

me and her are good friends since childhood..both of us family are friends...am having a good friendship with her...she"s too having a good respect on me......i love her very much...........she is telling that her mom won't allow...and further she's telling that if her mom say OK for me,then she will marry me...we are having phone contact now...first i asked her number,then our conversation started,i said that i like her very much,,she also said that she likes me and that's why she's calling me..she even shares her problem with me.....so what should i do now? i love her a lot?