Nathaniel kisses back. "We're both busy. And we do make some time, it just feels like the time we have is always stolen. Like when you turned up in my office naked."

A beat as his fork hovers over his mackerel.

"Not that I'm complaining about you turning up in my office naked," he says emphatically. He pulls an immaculate fish flake off with his fork. He has overcooked it a touch, but it will still be fresh mackerel.