Passata purchasing problems

I turned right at the end of an aisle in our local Sainsbury's yesterday to see my wife's unmistakable blue coat. It seemed odd that she was looking at passata; indeed, I breezed up to her, observing that: 'we don't need any of that, there's loads at home'. Unfortunately, I then looked down the row, to see my wife, resplendent in her dark turquoise parka and a yellow hat, staring back at me. The blue-coated imposter took it all rather in her stride, and asked me who I was looking for. Which was rather better than asking who was looking after me. We left the store soon after. I think it will be a while before I go back...