No worrying where the next meal will come from, if there's going to be enough crops for the next few months, or if you'll be able to find an animal to kill large enough to feed you but but not large enough to kill you, if you can protect yourself against predators, or aggressive neighboring tribes, if you will be able to find/maintain a shelter good enough to protect you from the elements, esp in extreme cold or hot climates. If you'll be able to make enough shoes to earn enough to sustain yourself and the family, while competing with other shoemakers for a limited demand and limited materials, and million other things.
> In fact, quantitative studies revealed that the average adult hunter-gatherer spent about 20 hours a week at hunting and gathering, and a few hours more at other subsistence-related tasks such as making tools and preparing meals (for references, see Gray, 2009). Some of the rest of their waking time was spent resting, but most of it was spent at playful, enjoyable activities, such as making music, creating art, dancing, playing games, telling stories, chatting and joking with friends, and visiting friends and relatives in neighboring bands.
I'm surprised the author didn't add that they also didn't suffer from obesity or dental cavities or cancer (which is mostly because living past 30 wasn't invented until like 14th century).