it hadn't occurred to me
¿Cómo no se me había ocurrido antes?
How did I not think of that before?
— Todo sobre mi madre (1999)
No se me había ocurrido que estaba a punto de convertirme en capitana.
It hadn’t occurred to me that I was about to become a captain.
Es cierto, no se me había ocurrido.
That's right, I hadn't thought of that.
— Con Ánimo de Amar (2000)
I hadn’t thought of that.