Today is the youngest you will ever be

The ages of my children and the number of years I've been married are imaginary numbers.

My age and the ages of my children are imaginary numbers.

At twenty-four she imagined with dread that she was growing old.

To the young there are no degrees of old just as there are no degrees of dead - either you are, or you are not.

The tragedy of old age is not that one is old, but that one is young