I hate my sisters boyfriend, what to do?

Anonymous
So about 6 months ago my sister and I moved into a share house (we live abroad together), my sister started having chemistry with one of our housemates and on thing led to another, and they're now in a relationship. after about 2 months he got a new job at a bank and started getting really weird, bragging, thinking he was better than other people and so on. He especially thinks he's better than me. He invited himself to a trip my sister and I were doing together, which was fine, apart from that he interrupted me for 5 whole days. He even asked me questions just to interrupt me. This is still going on but not to the same degree. At other times he's called me a fucking bitch, said that I'm pathetic (I'm a psychology student -> he's a banker), a loser, a slut, writing on Facebook who I've been seeing&having sex with etc. etc. I told him that him doing that upsets me and I don't appreciate it but he still does it.

I've talked about this with my sister, but she gets mad at me for brining it up. So I decided to "kill him with kindness", not react, be nice and try to hang out with him (we are no longer housemates). And yesterday we planned on doing Sunday drinks, him, me and other.. but not my sister. Which I thought was a great opportunity to work on the friendship! I went to the place we decided to meet at 4.30, he wasn't there, I tried calling and he didn't pick up, I waited around. 2,5hours later he texts saying his phone was in his room but that we could meet up then. I later called to meet him, and he ignored my calls and texts again, but he sent a video of him playing beer pong.

If it would've been anyone else I would've told them to fuck off, but my sister loves him and I want to have her in my life but it feels like he's manipulating her and he keeps treating me badly. I'm not sure what to do with everything.

What do you guys think? what should I do?
I hate my sisters boyfriend, what to do?
5 Opinion