It is not your fault. Absolutely. If you had a broken leg, would you feel guilty about it? And, if you cried because of the pain caused by your broken leg, would that upset your parents? I do not think so. Please, consider this: depression, anxiety may be mental health conditions and not just a temporary status. Unfortunately , people in general have a lot of problems to acknowledge that. You have the right to be taken seriously about your mental health. I am sending you a big hug