Mind your own business

Meaning

Avoid interfering in other people's affairs.

Usage

Used to set boundaries in conversations.

Origin & History

Origins and dates here are approximate summaries. Many idioms have disputed or unknown origins, and not every date has been checked against a historical dictionary, so treat specific dates and stories as a starting point rather than a citation.

Straightforward moral caution from community norms.

Used in English since at least the 16th century.