Just Good Friends?

this girl i know has become a good friend of mine and now i think ive ped the part were i can actually date her. My friend hinted at the subject of me and her goin out and she said i dont wanna ruin this friendship. but the friendship im in is me always bustin my ballz for her buyin her this. doin this. i mean i dont mind that but what am i gettin out of it. i want a girl friend not juss another buddy.?????????