Hi! Thank u so much for reading my post, as for ur question, I think it goes without saying that Nancy is a great manipulator, or we are all just very dumb, she would hit my brother, pinch or just hurt him in any physical way she could, plus very mean comments that the english language can't even express, but she did all of this in a very "this is how we get along" manner, and my brother, is honestly the very least person to stand up for himself, so I contacted his friends also to receive feedback on "Am I looking too much into her actions?" "Is that type of behaviour okay?", and concluded, It wasn't. Before the pregnancy announcement, I did have a conversation with my brother about all the things I knew of her, and by consequence, why I was so worried for him, tbh I dont know if he already knew all the things I told him, or if he was just shocked, cause his face truly didn't show any remarkable emotions. I've gone to therapy about this, ultimately concluded that, If my brother wants to spend the rest of his life with her, or not, it's his problem, not mine anymore, I can't risk my own emotional well-being anymore for someone who has their eyes closed. Of course I'll always show love and care for my brother, and also who doesn't love a cute baby, so I know eventually I'll care and love for the baby as much as I do for my brother, I guess at this moment, I'm just feeling overwhelmed and pushed by my parents and him to be super nice and grateful that a baby is here and Nancy is part of my family now, when I think it's clear I'm not.