Author’s practical guidance
Everything comes off — with guests in the house, or at the park
Source named in the book: adaptability as a temperament dimension (Chess & Thomas)
Clothes are a rule that lives outside a small child's body rather than inside it.
Say this now
“Clothes stay on out here. Your room or the bathroom if you want them off.”
A rule about place, with somewhere to go attached.
“Clothes on, then you can come back and show Grandpa the tower.”
Puts what they want on the far side of the rule.
Do this
- State it before the doorbell, not after the shirt is already off.
- Keep the tone administrative. This is the same voice as shoes by the door.
- Name where undressed is fine — their room, the bathroom, your own yard — and hold the rest.
- Hand the clothes over and turn away. No encore.
- Check whether it is the clothes — a seam, a label, a waistband — before you treat it as a rule problem.
Avoid this
- "That's disgusting, put it back on!" Attaches shame to a body rather than a rule to a room.
- Laughing and calling everyone to look. Guarantees an encore.
- Chasing them around the room with the clothes, which is now a game.
If it repeats
If it happens only with certain clothes, it is sensory and the fix is the wardrobe, not the rule. If it happens with everything, keep the same two sentences for a month. Place rules settle slowly.
Why the book suggests this
Clothes are a rule that lives outside a small child's body rather than inside it. At three, being undressed is simply more comfortable, and an audience — visitors, a playground, a beach — turns an ordinary preference into an event.
What is being learned is a fact about places: which rooms, which outdoor spots, and who else is in them. Children differ a great deal in how many repetitions a rule of that kind takes before it holds, and this one takes more than most.

From this collection
Same Words: Their Own Body
45 prepared situations in this family area.