the borrowed weather
A child's first instrument for measuring danger is not their eyes. It is your face.
Tonight's research card has the evidence in its purest form, but you have watched the phenomenon a hundred times on your own floor. The toddler falls — a small, undamaging plop — and then, before crying, looks up. Checks the nearest adult face. If the face is easy, the fall is filed as nothing and play resumes. If the face has flown into alarm, the wail begins. The event was identical; the weather report decided its meaning.
The checking never really stops; it only gets subtler. The nine-year-old glances at you as the school gate rumours are retold. The thirteen-year-old, announcing the surprise test, is not looking at the wall.
Which makes an adult's commentary on the world — the muttered catalogue of traffic, crime, cheats, exams, other people — a kind of broadcast weather service, running all day, and the children its most loyal audience.
None of this asks you to perform fearlessness; children detect the performance and price it instantly at zero. The genuinely useful transmission is calm with the fear included: I was scared too. I stayed. We managed. That sentence, said honestly about a hard day, is worth fifty cheerful masks — it teaches that fear and function share a house, which is the entire adult secret.
Your face is a public utility in that house. This is not a burden. It is a lever.