I tell myself I will stretch during the map change, then spend the entire break adjusting the chair by about half an inch. What do you actually manage to do between rounds?

Refill water. The difficult part is remembering to drink it before I go to refill it again.

Check whether the cat has moved off the warm side of the desk. Usually the answer is no and the negotiation takes longer than the loading screen.

Water and a proper stand-up break it is. The chair has had enough optimisation for one evening.