I find sitting still sort of stressful, which is why I like to have hobbies - I think it's really personality-driven. While I can occasionally just plant and do nothing, I get restless after long. Volunteer work and hobbies fill those holes.
It's funny--if I camp I spend hardly any time at my actual camp because I don't do well just sitting there. Even if I'm car camping or whatever I need to get out for an evening walk/hike or paddle, etc.
My site is basically a spot to sleep and eat and I'm hardly there unless it's raining.
