the facts of life
the details about sex and how babies are born

[TahlilGaran] Dictionary of Contemporary English ▲

facts of life
if you tell someone, especially a child, the facts of life, you tell them about sex and how babies are born.
Parents are often embarrassed about telling their children the facts of life.

[TahlilGaran] English Idioms Dictionary ▲

facts of life
the facts about sex/marriage/birth that one should know
The boy seems to be too young to know about the facts of life.

[TahlilGaran] English Idioms Dictionary ▲

facts of life
n. phr.
1. The truth which we should know about sex, marriage, and births.
His father told him the facts of life when he was old enough.
2. The truths one learns about people and their good and bad habits of life, work or play.
As a cub reporter he would learn the facts of life in the newspaper world.

[TahlilGaran] English Idioms Dictionary ▲