Is it normal for a girl use me like that but act like she like me

I was talkin with this girl for a while now and she was givin off them signs like she mighta been intersted in gettin ta know me betta ,but I jus went ahead checked her phone real quick she got my numba wrote down next to the words 'free food' and fo sho I mighta boughta few things for us ta share togetha when she be hungry but respct I mean I even been next ta her in bed at her place so I thought we was gonna be cool like that from there on out but as it jus so happens she told me one fine day that she need me wheneva she got some hard to reach itch that she cant quite scratch I mean cmon now who says ridiclus stuff like that for real