To problems or conflicts that I'm inexperienced with I take notes and review what went wrong. It's not possible for me to blame myself for something I couldn't avoid. In that sense I let things go fairly easily. But, if the mistake is a repeated one, thats where the mindset kicks in.
"All this gives me small, unpleasant perks whenever I'm in pain/conflict. Laughing hysterically while injured or on the brink of losing. I don't get discouraged by small setbacks, just enraged to do 2-3 times more than what I originally aimed for. As self destructive as this is I've gained a taste for it, a curiosity to see exactly how far my limits can be pushed and what I'm capable of. Again it's not healthy but I'm enjoying it, while enjoying the rewards that come with such ambition."
Sounds a little like masochism.