Stiff bridges crack in earthquakes. Engineers build them to sway on purpose.

Rigidity looks like strength right up to the moment something unexpected arrives. A structure that cannot move has to absorb every shock in its own body, while one designed to give takes the same force and passes it through. The same holds for plans, and for people who cannot bear being wrong.

Where you are holding a position tightly, decide in advance what would count as a reason to change it. Build some slack into the schedule before the week needs it. Bending on small things is what lets you stay standing on the large ones.