If i called social services cuz im being mentally abused wat will happen?

i am 14 years old i live with my grandma,grandmas boyfriends,uncle and my uncles son,...my grandma had coustdy of me every since iwas a baby my dad is in a half way house i do have a realtionship with my mom...i do go stay with her over the weekend i very happy at my moms....i also have a boyfriend who does more for me then my grandma does him and his mom are always there....i fill like im getting mentally abused...getting called bad names....not getting ther right stuff i need for a 14 teen year old girl...i have to bug for atleast a week to get a can of hair spray are for makeup....when me and my grandma get it fights she tells me to get the hell out of her house and to go with my mom but wen i do go bak my stuff and have my mom come for me she dont let me go...i love my grandma so much it hurts wen she calls me names and tells me things i wish she would relize how much it hurts...tonight my grandmas boyfriend was in the bath room smoking a cigarette i told him i had to go to the bath room he didnt listin so i told him again he storms out of the bath room hits me with the door hurts my arm makes me cry cuz he starts yallin at me tellin me im dumb and stupid and stuff so i yall bak at him and tell him well we only have one bath room wat to u expect for me to go out side....i went to the bath room wen i got out my grandma gets in my face and screams at me and tells me if i ever yall at him like that agian she is goin to slap me in my face a bust my lip open! i started cryin cuz she was screamin at me and i told her gram y do u alwaays stick up for him im ur granddaughter hes nuthin to u and all she told me was get the hell out of her face and go to my room! what do i do im very unhappy here i fill so confused,lost depressed i dnt eat...i cant sleep! im goin crazy HELP! sometimes fill like callin social services and turning her in! my boyfriends mom told me to ask if my grandma would sing over cousdy to her but my grandma dont cuz she dont trust me with him she thinks im goin to open my legs and IM NOT! im not like that i told him from the start hes not gettin anthing from me and if he wants it he can go eles where his mom has a 3 bed room apartment ill have my own room and everything...if i had to choose to go with his mom r my mom i would pick his mom cuz shes does more fore me then neone! they live in a whole diffrent town and she drives all the way up here 45 miles out of her way to bring me wat i need if i need it! i need some advice on what to do please help me!i sometimes get so stressed out and hurt mentally i fill like killen myself are running away! im scared,hurt and frustrated please help!