If you opened Pandora’s box just the littlest bit, I imagine it would sound like one of Jonah’s sighs. When he squeezes my hand gently and lets one escape, like demon vapours, I don’t say anything, but squeeze back and wait. ‘Sometimes I worry about breathing spider eggs in by accident,’ he says. ‘What if they hatched in my lungs and I didn’t realise.’ Jo doesn’t need placation, he just needs to be heard, to be witnessed. I fasten my fingers through his and look forward. You’d know, I say, you would know if something was wrong with you.