Cats. They've saved my life, literally, and more than once, in more than one way.
Color vision.
The taste of mocha.
George Gershwin's Concerto in F
The day/night terminator and the fact that I can watch it "happen" almost any day, now, weather permitting.
The fact that I've loved and been loved - and it was real.
_________________
"I believe you find life such a problem because you think there are the good people and the bad people," said the man. "You're wrong, of course. There are, always and only, the bad people, but some of them are on opposite sides."
-- Terry Pratchett, Guards! Guards!