>The strain comes from context switching. From 9:00 AM to 5:00 PM, I had to care deeply about our quarterly goals and production stability. Then, from 6:00 PM to midnight, I had to care about inverting binary trees and system architecture design.

>This duality is exhausting. It forces you to lie by omission to people you respect. You can't tell your team, "I can't take that ticket because I need to study dynamic programming." You just have to work faster.

Guess what promo will get you? More context switching. Maybe that’s a thing to work on.