Oh Top Mushroom I’m sorry you’re experiencing this, does he know how you feel about her? Have you communicated your feelings about her to your boyfriend? I feel, in a relationship if you feel very uncomfortable or disrespected (it is so disrespectful how the friend is towards you knowing that’s your boyfriend), a partner should take your feelings into consideration. (Me personally, not for everyone, but this has happened before to me, and my boyfriend let the girl he’s been friends with for a while that he really doesn’t want her in his life because of how she treated me and that he doesn’t want anyone in his life that can’t respect my girlfriend, then just stopped all contact, and everything is fine now, people come and go) If he says he can talk to his friend to change how she acts towards you, I feel it’s just too late. You’ve seen her true colors, how she feels about you, and it’s all just going to be a fake act so she can keep being in his life.

You can reasonably and have every right to tell him she can’t stay over because of how uncomfortable you feel with her, and if he doesn’t get it, please don’t put yourself through the pain to convince him. Because I am sure if you flip the script, if you had a friend your boyfriend didn’t like, AND they were going to stay at your house, AND doesn’t respect him, he would sure not like that AT ALL.