My son has just turned 16 yrs and his girlfriend of the same age has anorexia - as advised by her parents. She's attending therapy and have a meal plan, but when she stays, which is regularly, she eats one mouthful. Her parents do not give me a meal plan to follow nor are questions asked as to whether she eats anything when round ours.
I've asked my son as to what she will eat to give her a fighting chance to like something at ours as she stays for days on end during school hols/weekends, but how can I support her. I've told my son to keep offering her drinks/snacks in case she will have something, but as she doesn't know I know, I'm wanting to support her without being obvious. Any ideas.