‘Where are you going?’ He queries, still hinting at a slightly infectious better mood. I’m used to cranky and serious from him, so being happier is somehow atmosphere-lifting.

‘Don’t worry … I’m only venturing to your very safe car park to get some real air and bask in the sun for twenty minutes. I need a break, and I’m getting a headache from that.’ I nod up at the ceiling, pointing out the office lights here, even though they are expensive and not the factory type ...