It has taken an illness to remind me, in my middle age, of that lesson.

I'll take care of him in his old age.

He was the youngest in the family and took care of his parents in their old age.

Furthermore, in some cultures sons are expected to take care of their parents in their old age.

On their way to find Death they see an old man that says Death will not take him even in his old age and suffering.

He won't see it taken from him now in his old age.

In India, male children are preferred because the parents are looking for heirs who will take care of them in their old age.

The basic lesson was clear; you're here to take care of us in our old age but that doesn't make you important.

You'll take care of me in my old age, won't you?

Having a lot of children to take care of you in your old age is like a warrior with a lot of arrows.