It's pretty normal to do so long as you don't give identifying information. That said, it might break confidentiality to say "all" rather than "most" or "many", because then it reveals something someone said if you know they are that therapist's client.
That famous thing where your therapist is allowed to just casually inform you of what they've been talking about with all their other patients.
Lots of shitty therapists actually do this. That's how half the school knew about all my problems as a kid
That really sucks, I'm sorry you had to deal with that.
i came here to say something similar but i'm so sorry you have first-hand experience
shitty therapists can be so uniquely life-ruining
It's pretty normal to do so long as you don't give identifying information. That said, it might break confidentiality to say "all" rather than "most" or "many", because then it reveals something someone said if you know they are that therapist's client.
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