Bf telling his family about my me Tal health

Would it be wrong of me to be upset that my bf will tell his family about my mental

Health issues? My therapist thinks I have dpdr and I also tend to feel overly anxious at times. I’m getting better at managing these but I really don’t appreciate him coming home and telling me what tip they told him or a video about going outside and setting goals. I just feel like this is my personal information that I would like to decide who gets to know and who doesn’t.