Behavior evolves through natural selection, just as anatomy does. Hence if sex is enjoyable, natural selection must have been responsible for that outcome. Why Is Sex Fun?: The Evolution of Human Sexuality

No one would ever believe how hard it is to be really alone in a city of millions when you don't have money. The Post Office Girl 

We can understand one another, but each of us can only interpret himself. Demian

But our attention is limited. There’s no way we can process the tidal waves of information flowing past us constantly. Therefore, the only zeroes and ones that break through and catch our attention are the truly exceptional pieces of information (…) This flood of extreme information has conditioned us to believe that exceptionalism is the new normal (…) the deluge of exceptional information drives us to feel pretty damn insecure and desperate. The Subtle Art Of Not Giving A F*Ck