May 7. A half-hour swimming lesson, for which we travel one hour back and forth through the city. Swimming a similar muscle memory as playing the piano – it seems outrageously difficult, impossible actually, until suddenly it becomes just as outrageously easy.

Daughter, meanwhile, was at the fairground, firing up her passion for roller coasters. Later, she explains everything to me expertly.

I have feel endlessly guilty when I just let the kids do something on their own. This although I can’t do anything different anyway, and I didn’t want – and get – anything else from my parents.

André Spiegel @drmirror