Building product is a sedentary job we pretend is a lifestyle

Twelve-hour days, meals at the desk, sleep debt worn as a badge. I tracked my own numbers for six months while building my app and the trend line was genuinely alarming,resting heart rate creeping up, sleep consistency in pieces, and I only noticed because I happened to be writing a tracker at the time. Otherwise it would have just been a normal year.

The advice everyone gives is a list: water, eight hours, meals. I've read it, I've ignored it, and so has everyone I know who ships alone.

So instead of the ideal version - what's the one habit that actually survived a launch for you? Not the one you know you should have. The one that's still standing