Hey all. I've posted before in other subs but figured I'd post here.(not pertaining to this tho)

I'm from a religious family (think like no premarital sex and very religious intolerence to anything except Catholicism). And I live in the deep south so yeah. (I was up in PA for college)

So I think my step sister had sex with her cousin from her mom's side but idk. Her cousin is the same age as her (I'm not saying the age as there might be creeps here) but she has been acting a little relaxed (at least more than she usually is) and she said they were alone in an abandoned house on Christmas. I follow her on TT and she reposted something about if she's loud to just go harder and deeper. I don't have proof that she did her cousin but they aren't married and stuff so idk what to do. She's also started smoking and she's under 21 so idk what to do about that.