Just turned 40. One thing my old landlord taught me about ten years ago is that as you get older, it's valuable to have a default known-good method for things.

Just turned 40. One thing my old landlord taught me about ten years ago is that as you get older, it's valuable to have a default known-good method for things. Always put your keys in a bowl next to the door. Shit, shower, then shave. This goes double as a manager and a developer. Have a process for starting a new project, hiring a new employee, spinning up a new bank of servers, etc. Some of these can be shell scripts, but lots are documents that are regularly updated.