So I’d like to point out I’m not super needy but bonded with my fiancé. But his sister has always kind of weirded me out…

So many of the situations I’ll mention can’t be excused as just older sibling behavior because I’m the eldest of six and do not talk to any of the kids this way.

When he gets home around 4pm I get he just wants to unwind and all of that but he and my SIL just play video games for the rest of the day while I just clean or read by myself. I’d like to add I spend almost every day by myself.

But something that bothers me so much are the sexual jokes she makes, and how she calls herself his princess. And even once said something similar to drinking piss straight from their brother’s peen and laughing. My fiancé and I just continued while she just kept laughing it up. She also babies him very strangely, cooing at him and caressing him, taking almost every moment to get touchy.

He’s corrected her and brushed it off but she just seems unaffected.

She makes strange remarks on how I’m basically leftovers and someone that got picked as a last resort and asserts herself in the kitchen because “she can make good food too!” (Not really)

And when my fiancé and I even do something as little as grocery shopping she’ll just include herself in.

I’m a Christian who really only speaks on religion when asked about it but she’s always going on and on about witchcraft and the dark web and hides little totems around my room.

It seems she just picks at me very on the down low where it even has me questioning whether I even have the right to feel agitated to be around her.

It’s not like she’s alone, she has her odd group of quirky basement dwellers/drinkers and one very unappealing boyfriend. I dunno, my stomach is in knots and I really can’t do anything. And if I try to talk to her about it I worry she’ll make up things towards my fiancé.

Edit: She’s moving out soon so my fiancé has been spending the majority of the time with her even more and I absolutely get it. I’ve already spoken with him, not telling him who has been bothering me, but he’s reassured me greatly. I just hope I won’t have to deal with this ever again. And he’s assured me that he’s not even comfortable with our future kids around her.