FRUSTRATED

Me and my boyfriend are living at his home with his family. Everyone is lovely... BUT HIS MOTHER! She is a liar, attention seeking, drug fiend. Honestly people only put up with her because my boyfriend's father brought her back into the home because she had nowhere else to go and was strung out on dope. She is not getting better. She is not looking to better herself at all. Has NO interest in working. And has recently attacked me, forcing me to protect myself (VERY MUCH PREGNANT)! I informed my boyfriend she is not invited to our shower and she is DEFINITELY not invited into our baby's life. Today he informs me the shower will end up having to be at the house. I'm fine with that. Then I reminded him his mother is not invited and will have to be out of the house by then. Because he promised me he would put her out in/by November. Then he acts surprised that I said she isn't invited. As if we never had the conversation about her not being there and not being in our baby's life. He's like "but she is my mother." And I'm like "she is a liar a HYPE and is been a terrible influence on every life she encounters. Her children are damaged because of her. She literally can't see her younger children because they are in the system and there is an order of protection against her to stay away from them. She attacked me. She is not welcome into my baby's life at all!" Am I wrong?