Boy problems help please i willy need your help?

lets say i am in this relaship with a boy? and i love him but lets just we are moving to fast we only been together for 6 months and we already had what should i do should i stay with him. i know i would stay with him but i dont know what to do. i like it but i think we should slow down i just need your guy help. he is willy nice and if i dont want to do anything he wont mack me i am just sacared cuz i am only 16 i just barly truned 16. so please help me