Definition & Meaning of "be a man"

What is the origin of the idiom "be a man" and when to use it?

The idiom "be a man" has a long history and is rooted in traditional gender roles and expectations, where certain characteristics and behaviors were associated with masculinity. The origin of this expression is not attributed to a specific documented source but rather reflects historical cultural norms. It has been used for centuries to encourage individuals, particularly men, to exhibit qualities like courage, strength, and decisiveness when facing challenges or difficult situations.