After any task (not just major projects), one line: what lesson won't I forget? — accumulates into an actual wisdom library.

Update 7 elements in your profile in one hour to double search visibility.

Repeat the same refusal in the same words calmly, no matter how the other person reshapes the pressure.

Satter's Division of Responsibility: you decide what/when/where, he decides how much and whether to eat.

Each month's start, search your name on Google and review the first 3 result pages.