Im 13 and i have already started masterbating but idk if im

i get turned on with my bf(he plays with me down there.with clothes on.my parents are always home.we do it during a movie on the couch) but then he has to go home. After i always want more but wen i try, it doesnt seem to work! im not going to try the banana or cucumber technique!or the tooth brush. i want more pleasure but i can seem to get it right. i no were it is the most pleasurable. all i need are new ways to do it. can any one help me and FAST! i REEEEEALLY need some NOW! my parents rnt home! (ps:im a girl!) HELP ME! :-(