If you have a limited amount of time to dedicate towards activities and you want to maximize the reward you get, the strategy is obvious. You want to put as much of that time as possible into things that have these huge rewards. And so this is a mathematical model of opportunity cost because when you would stand spend an hour trying to get let's say some of these small reward activities like looking for the funny thing on Twitter or say happy birthday to the old roommate or something like this, that's time that you could have been getting a much higher reward. Because there's such a discrepancy between the things that matter most and everything else, you could end up much worse off. The steel type away