The DM article betrays all the old myths and outdated perceptions of the past. Today's grandmothers are re-writing the rules and many are simply regarding 'age' as no more than meaningless digits on a page.
I raised a family of four and then went off to Oxford, in my fifties to read for a Masters. It was tough to leave family and friends. But trudging off to lectures and 'pulling an all nighter', to finish an essay, was fantastic! I was exactly where I wanted to be, exhausted or not.Younger students often sought advice and counsel from us (the wise ones) as they called us.
In demographic terms, the population is ageing which will require a cultural and philosophical reassessment of what it means to grow older with wisdom and confidence. The old terminology really does not capture the vigour and confidence that imbue the new generation of revolutionary grandmothers who defy random definition.