Your body reacts to your mental attitude.
Like keeping up a good front for the children, or being deliberately cheerful after the raucous party, the game we play sometimes seems to lure in others to apparent cheerfulness.
Freud compared the subconscious to a riding horse, and admitted ruefully, that sometimes you had to "lead" it where it wanted to go.
You're right.
Hopefully, my life will get settled on teh 17th, and I can get my act back together.
That's so true. Learned that the hard way...