cuando yo era joven

when I was young

→ cuando
phrase Rare #50,562
when I was young The pronoun yo can be omitted; including it can add emphasis.
SP: Cuando yo era joven, vivía cerca del mar.
EN: When I was young, I lived near the sea.

Cuando yo era joven, solía ir a ver partidos de béisbol.

When I was young, I used to go to watch baseball games.

Cuando yo era joven, todo esto era campo.

When I was young, this was all countryside.

Cuando yo era joven era tan guapa como ella.

When I was young I was as beautiful as her.

— Picnic (1955)

Cuando yo era joven, era un arroyo hermoso.

When I was young, it was a beautiful stream.

— Jean de Florette (1986)

Los magos las usaban cuando yo era joven.

Wizards used them when I was young.