You're not alone. The vast majority of the time, I'm cheerful and confident. But I'll do or say something stupid/inept which any other person would shake off with no problem, but I'll obsess about it for days. It'll send me into a spiral of depression that leaves me struggling to even get out of bed for days. If I think of something embarrassing that happened to me elementary school, I still get depressed about it even twenty years later.

In other words: sympathetic fist bump.