...the word 'love' designates a subjective condition in which the welfare and happiness of another person are essential to one's own happiness. - Robert A. Heinlein

Love is the condition in which the happiness of another person is essential to your own.

He considered horoscopes as silly as spectacles on a cow.

"Thing that got me was not her list of things she hated, since she was obviously crazy as a Cyborg, but fact that always somebody agreed with her prohibitions. Must be a yearning deep in human heart to stop other people from doing as they please. Rules, laws — always for other fellow. A murky part of us, something we had before we came down out of trees, and failed to shuck when we stood up. Because not one of those people said: "Please pass this so that I won't be able to do something I know I should stop." Nyet, tovarishchee, was always something they hated to see neighbors doing. Stop them "for their own good" — not because speaker claimed to be harmed by it."

Like every living thing its prime characteristic is a blind, unreasoned instinct to survive.