India, Sept. 3 -- What are the things in life that you absolutely could not do without? Has the list always been the same, or does it change with the passage of time? Speaking for myself, the list has changed through every phase of my life. For instance, ever since I began earning my keep, I would get my hair washed and styled professionally at least twice a week. It didn't matter where in the world I was, what the pressures on my time were, and how much it cost. I simply had to get my hair done professionally. It was the one non-negotiable that was just not up for discussion.

Then came the Covid pandemic, and we were all trapped in our homes for months and months with no prospect of a visit to a hairdresser. So, I had no choice but to s...