The phrase is often used metaphorically to describe keeping troubles or worries away.

Metaphoric Use

While it can sound like a physical action, it usually refers to non-physical situations.

Not Literal

The phrase can imply maintaining emotional distance or avoiding emotional engagement.

The phrase stresses taking steps before a situation escalates, as a preventive action.

It implies an ongoing process, not a one-time event.

This phrase is used with future implications, referring to prevention of something that could happen.