Dunno if this is the place I should post this but I need advice.

I’ve noticed that my girlfriend is using character ai frequently throughout the day, whenever I ask her what she’s doing on there, she gets really jumpy. she uses the bots for nearly everything, I've told her to stop using it a few times, but she just won’t listen. I don’t think she’s taking me seriously, and her not being able to feel empathy makes it harder. Does anybody know how I could stop her from chatting with them? She’s been using the app for about 1-2 years now, ever since we first met.