One of these days i will slip off saying that i like men to my parents and i i dont know how to avoid it

I dont know why but lately ive been having trouble hiding my bisexuality,ive hinted at it multiple times (though mostly as a joke) to my sister,and every time my parents or sister say something girlfriend related i want to say things like "maybe ill bring a boy" "what if its a boy" "maybe ill fall to a boy" and barely not say it,is this normal in any way?,they are not super conservative but we do live in a highly religious small town so they do see homosexuality as something bad without noticing because of how they were raised,i thought that because im bisexual i could hide the fact i like men and maybe get a girl and not talk about it ever but it gets harder every day,i dont know anymore honestly,if you want to say "you should come out" im thinking of it,but i still need to organize my thoughts about everything and have everything figured before making a move,this is a mess but it is what i could get into words