I believe I first heard this in SERE training.
But it applies elsewhere in life - perhaps everywhere.
And I have seen the loss of faith, and ability to go on.
Never give up the faith, but be realistic in your situation.
Mastodon is the best way to keep up with what's happening.
Follow anyone across the fediverse and see it all in chronological order. No algorithms, ads, or clickbait in sight.