I Am Struggling With My Sexuality

I'm sixteen and have been struggling for a while. I've been raised being called gay by many people because I preferred playing with my special needs sister and her barbies then getting muddy and fighting my brother till one of us bleeds. I'm fairly sure I'm bi because I am attracted to women but they don't get me on as much as dudes do. I'm in a relationship with a girl But that is getting awkward. We like each other but no one will leave us alone and we've been stuck in the awkward first date stage because of it. But the older I get the more attracted to males I am. I'm really confused and don't want people finding out because I live in a very religious family and go to a church that's practically on the verge of tipping because of many different debates. But all in all I'm super confused and don't know what to do. I like the girl I'm dating a lot but I also like dudes a lot.