Winning also helps. There were times when my side business was killing it. Emails from customers telling us how much they love the product and growing sales. I

Winning also helps. There were times when my side business was killing it. Emails from customers telling us how much they love the product and growing sales. I had endless energy. Evolutionarily you are programmed to not expend energy unless you either have continuous progress/rewards or threat of harm if you don't keep at it. Perhaps these can be hacked but I haven't yet found a way.