se lo conté todo

I told him/her everything

→ se
phrase Rare #32,394
I told him/her everything Se refers to the person being told, while lo refers to what was told. The person can also be usted in formal contexts, depending on context.
SP: Se lo conté todo a mi hermana.
EN: I told my sister everything.

Se lo conté todo.

I told him everything.

Volé a Roma y se lo conté todo a él.

I flew to Rome and told him everything.

— Cónclave (2024)

Se lo conté todo, no pude aguantarme.

I told him everything, I couldn't hold it in.

— Moscú no cree en las lágrimas (1980)

No se lo conté todo.

I didn't tell him/her everything.