What should i do????

ok my parent, friends, and bf all think im strait........ but im bi...... iwant to tell them but my friends and bf are all basicly strict christian so they would flip..... and i've talked about biuals with my bf and what he thinks of them and he says their hot but idk if he would fip of not..... wut should i do?!?!?!?!?!?!?!