I've missed you
Si supieras, querida, lo mucho que te he extrañado.
If you only knew, my dear, how much I've missed you.
— La ironía del destino, o goce de su baño (1976)
I've missed you.
I've missed you so much.
No sabes cómo te he extrañado.
You have no idea how much I've missed you.
— Algunos hombres buenos (1992)