First of all ...

...
Your therapist saying this to you is the same as if she told a paralyzed person in a wheelchair that they aren't trying hard enough to walk ... Both are horridly inappropriate ... !!!
I agree it's time to find a new therapist, and feel free to show this post to the other one as you're walking out the door ... She needs further education on what is and isn't appropriate to say to a person struggling with mental health issues.

,
Pfrog!