None of that sounds right or ok. You are not at a slumber party, you're in therapy....I can't even imagine! I would feel weird about all that too. Is she like the chick in single white female looking to copy your style right down to your purse? I don't know, maybe Nammu is right and she's just trying to peak your interest and distract but perhaps telling you she's doing so would be more comforting.

My therapist tried to sell me on a mood charting App that cost over a hundred dollars...for an app! I suspected she might hold stock in the app developers or something. Letting this therapist know of your concerns seems critical. Good luck.