Welcome to PC!

It's good that you don't want to hurt anyone...the word "again" is probably a bit unrealistic...as there are things we will do that without the actual intention will hurt people...but I get the idea that you want to be as healthy as you can be...

She brought up depression, so I would let your parents know that you would like to talk to a therapist...you can say its so you can work through x and y issues unless they already see the signs of depression too...I don't think its any mistakes here I can identify for you...I think its just a matter of working with someone professionally...ok...I know I wish I had at your age...