coffee break

Yep. Empty your head a little and get a little exercise.
Sometimes you can go back to a problem after a while and see a way through you hadn't considered before.

Sometimes it is when we change our focus and think about something else and go to sleep or have a break that the solution to a problem suddenly dawns on us.

Yes. Some things are easier to solve when you step away from them for a short time.

No coffee, no solution