Did you plan to wait for him to die of old age?

In the 22nd century, no one had to die of old age any more.

The people who have it would never die of old age.

Sure, some people would die of old age in a week.

According to the doctors, his father had died of old age.

If he had to stay here until she died of old age, he'd do it.

A man has died of old age in his 30s.

Our children have a right to die of old age.

I was born when people still died of old age.

And in time, he would simply die of old age.