That is a solid rule and your body made the call for you that day, but I would not put all the blame on working alone. Plenty of people drop in the heat because they skip water, not because nobody was standing next to them. The cooler by the door and the no-work window from noon to 4 will do way more than a buddy system, since a friend can just as easy forget to drink too.

Getting caught like that is scary, glad you're okay... paper maps feel useless until they're not, right?

$4.99 a MONTH for an app that just tells you to stop? That's wild. I paid $30 once for a blocker that locked me out of my own settings, and a dollar store timer does the same job better. Basic always beats fancy when it comes to your own brain.