Strolling through my local Waitrose, I had my eyes on the prize.
While my husband Rodney, 87, focused on filling up our trolley with our weekly shop, I had other things on my mind.
Gazing at other shoppers, I spotted little crumpled bits of paper sitting in their trolleys.
Some shoppers even had them between their fingers, checking them before reaching for the next item.
I thought.
