Puberty In Boys (The Omen)

A sign

An augury

Is what I see

Auspice

When voice deepens

As voice box is enlarged

When hair grows at

The pubic region

Foreboding

A warning

Portent

When facial hair grows

Hair on chest and armpits

Premonition

Indication

Prognostication

Presage

When shoulders widen

Body becomes muscular

The Omen

When penis enlarges

Height increases rapidly

Testes produce sperms freely