We'd never expect to understand a piece of music on one listen, but we tend to believe we've read a book after reading it just once.

A game one of my sisters will play with me in my first year of being alive is called Good Baby, Bad Baby. This consists of being told I am a good baby until I smile and laugh, then being told I am a bad baby until I burst into tears. This training will stand me in good stead all through my life.