How to learn to stop worrying (don't love the bomb though, Dr. Strange Love!).
grip thumb in the opposite fist; a "finger hold"
this is energy healing
Jin Shin Jyutsu, specifically
taking deep breaths is helpful as well
mnemonic: "get rid of Worry, FAST"
Worry = thumb
Fear = index
Anger = middle (makes sense!)
Sadness = ring
Trying too hard = pinky
picrel