Working as an engineer at a ship, it gives me great joy everytime I walk past one of these blue valves
.
(TITLE IS JUST MADE UP BY ME, SINCE I COULDN'T FIND THE ORIGINAL ONE)
Just seeing these happy little valves made me smile. Smiling releases endorphins, serotonin and dopamine...even if you are just reacting to a perceived smile due to pareidolia. Consider it an untaxable benefit. That should make you smile even more.
.
(TITLE IS JUST MADE UP BY ME, SINCE I COULDN'T FIND THE ORIGINAL ONE)