There are a handful of philosophies - some quite popular even today - that purport that self discipline is the key to being perfect, and totally immune from problems, suffering, and trauma. If you have depression, PTSD, or anxiety, it's all your fault. You're supposed to have 100% control over your emotions at all times - you are completely responsible for them, and any diversion, expression, or malfunction designates you a thoroughly bad and worthless person. You're a bad, weak, vile, despicable excuse of a human being who deserves to be in pain as punishment for being so subhuman - it's woven into your very existence as an emotional person. Everything about you is disgusting, and there are logical, philosophical ways to prove it. You have no character. You have no good qualities in you, otherwise you would have had the self-respect to not be so wretched and low. The people who matter hate you, and you probably deserve to kill yourself, because that's what weak people do.

Before anyone accuses me of victim blaming or not knowing what it's like or some BS - I'm chronically depressed myself, and afraid of effing everything. That's how I know what I'm saying is true, because it's true of me. I know I can't "get over it" and don't even want to, because as much as being able to weather extreme hardship sounds awesome, I know it's innately beyond me. It's beyond most of us, and those predisposed to being philosophically reprehensible are even worse off.