It seems nowadays it's all too common that people feel bad or even depressed. Towards the outside there is also a feeling of keeping up appearances, because somehow we are afraid to show it or be judged on it.
What I will say now might sound silly or stupid, but please read everything before commenting.
Mental harm is fundamentally different from physical harm, in the sense that it can be considered a choice. It's not easy to choose to set something aside, but it is possible. Combine this with "do not dwell on that which you cannot change" and try to find the positive in any situation.
This is not to make light of your predicament, but to