I went on a walk.
I realized the unhappiness of the sedentary screen life creeps up on you. Likewise, the joy of walking and noticing comes upon you equally subtly.
I don't know how I'd begin to convince someone to shun the one, prefer the other. It's all a case of availability bias, the philosopher's toothache, even Buridan's donkey. I go through long stretches of not knowing how to convince myself.
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Bibliography
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I Sing the Body Electric. Whitman.
Much Ado About Nothing. Act V, Scene 1, lines 34-40. Search "toothache."
O Me, O Life. Whitman.