You have an objective of physical fitness? You find a trainer or training program that helps you achieve that.

You don't have any objective and try different trainers/programs? Either you some day click on one of them, or you don't stick for long.

Do you have an objective for mental health?

Usually mental fitness/health is harder because you need to work first by yourself, external help only helps when you have predisposition to get to your objective.

When you don't have that predisposition, they can try to help you get it, but in the last instance it's all up to you: do you want to make the effort to get closer to your objective, even if you only advance 0.1%?