ability to let things slide; skill of not getting upset by ignoring negativity
Colloquial wasei-eigo term for the mental skill of brushing off criticism, bad luck, or unpleasantness without letting it affect you. Often used in self-help or casual conversation about emotional resilience.
wasei-eigo (Japanese-coined English), from through skill
See also: スルー
Instead of reacting to every nasty comment online, let's develop the ability to just let it slide.
He has an amazing ability to ignore his boss's sarcastic remarks without getting upset.