The note taped to the door

In two buildings on the same street in Ismailia, the water goes off on the same morning.

In the first, it simply stops. A tap coughs, then nothing. Within ten minutes neighbours are on the stairs, knocking on doors, calling the caretaker, who does not answer. Someone is sure a pipe has burst. Someone else has heard it might be off for days. By noon, half the building has bought far more bottled water than it needs, and the other half is angry with the first half.

In the second building, a sheet of paper was taped to the entrance two days earlier. Water off on Monday, from nine until three, for repairs to the main line. Fill what you need on Sunday night.

The tenants of the second building have exactly the same morning without water. They have the same inconvenience, the same full kettles and the same unwashed dishes. And almost nobody is upset.

Nothing about the problem was different. What was different was what people knew about it.

Panic is not really a reaction to bad things. It is a reaction to bad things that arrive without warning and without a reason. Take away the surprise, and people can prepare. Give them the reason, and their imagination stops filling the gap with something worse.

This is true well beyond plumbing. A late delivery, a price that changes, a flight that is moved, a shop that closes for a week. The disruption is rarely the part that frightens people. The silence around it is.

A single sheet of paper on a door can do more for calm than any apology afterwards.