to think about it
Ne perdez pas votre temps à y penser.
Don't waste your time thinking about it.
Il me dira de ne plus y penser pour mon propre bien.
He will tell me to stop thinking about it for my own good.
— Le Cercle des poètes disparus (1989)
I said it without thinking.
She didn't want to think about it.
I don't want to think about it.
Vous auriez dû y penser avant.
You should have thought of that before.
I can't think about it.
I prefer not to think about it.