‘Have you had your jab, Margery?’ said one Surrey lady to another in the queue for take-away coffee at the chintzy, shabby chic coffee shop.

‘Oh yes, I’ve had it for my country,’ said her friend. ‘I just can’t understand these people who won’t have the jab. I mean, how selfish…’

I looked at them and they looked at me, pointedly, because they had decided what sort of person I was thanks to the altercation we had all just had.