When someone watches us eating, we feel exposed. We might also harbor a suspicion that the person staring wants to steal food from our plate. The taboo, in any case, is long-standing.

Years ago, during a John Grisham phase, I tried to pinpoint exactly why I found Grisham's often predictable legal thrillers quite so comforting. The best answer I could come up with was the frequency with which Grisham tells us that his lead characters are sipping coffee. When it comes to food and drink, predictability can console.

Sometimes the buzz of reading about others eating comes from the voyeuristic thrill of seeing how the other half lives: the gold leaf and truffles or - in the case of Trimalchio's feast in Petronius' 'Satyricon' - the dormice and honey.

Bee Wilson Quotes