Health, to a large extent. Everything is more fun and less stressful (to the mind and body) if you are somewhat fit. It feels good to feel your body work when y

Health, to a large extent. Everything is more fun and less stressful (to the mind and body) if you are somewhat fit. It feels good to feel your body work when you do something heavy. This also include things like hiking in a forest (or whatnot), trying out things like making a fire out in the woods. Try it, if you haven't already. edit to add, it is by extension profitable to focus on your health, but in less obvious ways.