Question

Which quality does not differentiate the young-old from the old-old?

Answer 1

Happiness is the quality which does not differentiate a young-old from an old-old.

Step-by-step explanation:

Happiness is the only factor which does not differentiate the old-old from young-old. This factor does not depend on any condition and age and comes from different sources and forms. Happiness can be gifted to anyone. The factors which usually differentiate an old-old with a young-old are health, money and etc.

Answer 2

Happiness does not differentiate the young-old from the old-old, it will never depend, nor be conditioned by age, comes from different sources and forms, a person can be 60 years old and be happy for a reason totally different from an 80 years old, unlike health, work or money, which probably depends a little bit more on the physical condition granted by age.