Can you spot the ADD-type and person? In hunter-gatherer type societies, in order to eat and have shelter, people have to hunt and gather. They have to find the stuff they need to build shelters. They have to find food, whether that's an animal or a plant of some sort. For some of us, that needs to start as a part-time gig or a volunteering situation. If you're employed full-time and your income and you're livelihood comes from something that's terribly monotonous and boring, but at the end of the day is how you pay the bills.