India, April 23 -- There are days when the world seems to have misplaced its instruction manual. Nothing is dramatically broken, yet nothing feels entirely in place. Emails multiply with suspicious enthusiasm, conversations trail off unfinished, and beneath it all lingers a quiet, persistent question: what is the point of all this? On such days, sustainability appears as an abstract ideal-something debated in policy rooms and global summits, distant from the lived reality of a restless mind and an overworked body.

But what if sustainability begins much closer to home? Closer than policies or pledges. Closer than climate targets and conscious consumption. What if it begins with the simple act of sustaining oneself? At first glance, that s...