Mettle is a person's ability to
cope and persevere.
Metal fatigue is when
metal is stressed, cracks, and breaks-- sometimes with
tragic consequences.
So when someone's mettle is exhausted, leading to personal breakdown, we can call it mettle fatigue.
The year of COVID-
19 pandemic social distancing and isolation has led to near universal mettle fatigue.
Dealing with
people's antisocial nearing results in mettle fatigue that might not even be comforted by the alcoholy
trinity .