failure
failure, from the greek Fae•lure that means the fairies are hipnotizing you into following their orders...
The nature of failure is heavily tied with the nature of priorities, the weight each of your failures have for you depends only on how much you care and or know how important something is, there's no such thing as an absolute weightless failure, following that logic (with some obviously OBVIOUS exceptions), there's no such thing as a heavier failure, it all only depends on the failurer (new word invented right there).
why tf would I be defining and describing failure like that in the first place? well, it's because it almost doesn't matter if you fail, at the end of the day it's still the end of the day, nothing ever happens feijoada, the world lives on, and you'll still be rummaging through your brain tried to correct something that already passed years/centuries/decades/eons/lifetimes ago.
of course that's not saying you shouldn't assume your responsibilities, or that you should just run away from ever facing your errors, but if you can do something about it, don't spend time thinking about what you could've do to prevent it, DO SOMETHING ABOUT and later reflect on it so it does not repeat itself, if you can't do nothing, just think about what happened and move on.