What is digging behavior?

When you are in a hole stop digging meaning?
Proverb. if you find yourself in a hole, the first thing to do is stop digging. When finding oneself in a troubling situation, one should first make sure one is not making the situation worse by his own actions before addressing all other causes.
Who said if you are in a hole stop digging?
Healey's first law of politics: when you're in a hole, stop digging.”Oct 3, 2015
What does it mean if the dog keeps on digging?
Dogs may dig for entertainment when they learn that roots and soil "play back." Your dog may be digging for entertainment if: They're left alone in the yard for long periods of time without the company of their human family. Their environment is relatively barren—with no playmates or toys.

