porque sí

just because

→ porque
phrase Rare #40,754
just because Used to say that something happens without a clear reason or explanation. Often implies the reason is unimportant, unknown, or not worth giving.
SP: No quiero ir porque sí.
EN: I just don't want to go.

Porque sí.

Just because.

— Mystic River (2003)

Pero en la vida las cosas no suceden porque sí.

But in life, things don't happen just because.

— Rang De Basanti (2006)

Mintió y nadie miente porque sí.

He lied, and nobody lies for no reason.

— Contratiempo (2017)

No estás triste tú sola porque sí.

You're not sad on your own for no reason.

— La vida de Adèle (2013)

Odio a Tom porque sí.

I hate Tom just because.