Looking after children is one of the ways of looking after yourself.

The primitive thinking of the supernaturally inclined amounts to what his psychiatric colleagues call a problem, or an idea, of reference. An excess of the subjective, the ordering of the world in line with your needs, an inability to contemplate your own unimportance. In Henry's view such reasoning belongs on a spectrum at whose far end, rearing like an abandoned temple, lies psychosis.

It troubles him to consider the powerful currents and fine-tuning that alter fate, the close and distant influences, the accidents of character and circumstance.

He saw that no one owned anything really. It's all rented, or borrowed. Our possessions will outlast us, we'll desert them in the end.

There are these rare moments when musicians together touch something sweeter than they've ever found before in rehearsals or performance, beyond the merely collaborative or technically proficient, when their expression becomes as easy and graceful as friendship or love. This is when they give us a glimpse of what we might be, of our best selves, and of an impossible world in which you give everything to others, but lose nothing of yourself.

When we go on about the big things, the political situation, global warming, world poverty, it all looks really terrible, with nothing getting better, nothing to look forward to. But when I think small, closer in - you know, a girl I've just met, or this song we're going to do with Chas, or snowboarding next month, then it looks great. So this is going to be my motto - think small.

And feeling clever, I've always thought, is just a sigh away from being cheerful.