>>10063200_x21SgxLcz3jegVIvcyN8EqeUedEtyapp
You can't look at a glass half full or empty if it's overflowing.
Discontent, jealousy, anxiety, periodic low mood, and perpetual striving for "more" were fitness-enhancing in the ancient environment of evolutionary adaptedness. Lifelong bliss wasn't harder for information-bearing self-replicators to encode. Rather, lifelong bliss was genetically maladaptive and hence selected against. Only now can biotechnology remedy organic life's innate design flaw.
A raisin dropped in a glass of fresh champagne will bounce up and down continually from the bottom of the glass to the top.