why he's sad

He doesn't have much work. That's why he's sad.
Tiene poco trabajo, y por eso debe estar triste.
The opposite, that's why he's sad.
Al contrario. No tiene ninguna, por eso es triste.
The opposite, that's why he's sad.
No, al contrario, no tiene chica. Por eso está triste.
Palabra del día
el pantano