My bf and I are at uni I’m a 1st year and he’s a 2nd year. He had not spoken to his ex for ages until she came to our uni here and now he is talking to her again. If he replies one she spams him and calls him all the time when she got drunk she said she had to have him to look after her and she also went to his house because she had something “extremely important to talk to him about”

This makes me feel really uncomfortable I have told him this but do you think I’m overreacting? And his parents encourage him to meet her despite her also being mean to him