WITH YOU BECAUSE EVERY POINT IS EITHER GOOD FOR BOTH OF YOU POSITIVE WIN WIN OR BAD FOR BOTH OF YOU IT'S LOSE LOSE THAT'S A NON ZERO SUM GAME AND IN REAL LIFE THERE ARE LOTS OF NON ZERO SUM GAMES IN THE REALM OF ECONOMICS SAY IF YOU BUY SOMETHING THAT MEANS YOU'D RATHER HAVE THE MERCHANDISE THAN THE