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Communication · a life skill

Simple Boundary Scripts

a line about you, not an excuse

“I can't, I'm so sorry, I've got the kids…” sounds kind, but every reason in it is something to argue with. A boundary script is one short line about how you work: “I don't take calls after seven.” Say what you will do instead, if there is something, and then stop.

  • Easy
  • Medium impact
  • Learn it: 1 week
  • One line, then stop
one ask, two answers
An excuse that invites argument, and a boundary line that doesn't They ask: “Can you take a quick call at nine tonight?” An excuse: “I can't, I'm so sorry, I've got the kids…”, and each reason gets an answer back: “Put them to bed, then call?”, “It's only ten minutes.”, “Just this once?” A rule about you: “I don't take calls after seven. I'll ring you at eight tomorrow.” Nothing to argue with, and a time that works. Then stop. They ask “Can you take a quick call at nine tonight?” An excuse “I can't, I'm so sorry, I've got the kids…” Put them to bed, then call? It's only ten minutes. Just this once? each reason is one more thing to argue with A rule about you “I don't take calls after seven. I'll ring you at eight tomorrow.” nothing to argue with, and a time that works then stop.

An illustration, not data. Hover a step to see where it happens.

The method

One line about you, then quiet.

  1. Name the line

    What exactly won't you do? “Calls after seven”, not “being available all the time”. Small and specific is easier to keep.

  2. Say “I don't”, not “I can't”

    “I can't” sounds like something is stopping you, and invites “what if it didn't?”. “I don't” says it's how you work.

  3. Leave the excuse out

    Each reason you add is one more thing they can solve for you. One sentence is enough.

  4. Offer what you will do

    If there's a yes nearby, say it: “I'll ring you at eight tomorrow.” Only if you mean it.

  5. Then stop

    No second sorry, no filling the silence. Let the line sit there and let them answer it.

    The line, I don't, no excuse, an offer, stop.

Example: Not “I'm so sorry, I can't tonight, I've got the kids and…”, but “I don't take calls after seven. I'll ring you at eight tomorrow.”

Script card

Write the line you'll say.

1 · What they asked

2 · What you'd normally say

  • sorry 0
  • can't 0
  • reasons 0
  • softeners 0

3 · Your line

Then stop, and let them answer.

0words in your usual answer
0words in the line

Nothing you type is saved or sent anywhere.

The research behind it

“I don't” held for longer.

The marketing researchers Vanessa Patrick and Henrik Hagtvedt asked 30 working women to pick a health goal of their own, and gave each a phrase for when they were tempted to lapse. Ten said “I don't”, ten said “I can't”, and ten were told to just say no. Each day for ten days they reported whether the phrase was still working.

8 of the 10 “I don't” women kept going all ten days, against 3 of 10 with a plain no and 1 of 10 with “I can't”. In an earlier lab study, 64% of students told to use “I don't” picked a granola bar over chocolate on the way out, against 39% told to use “I can't”. Groups of ten are small, so read the field study as a direction, not a size.

These studies were about resisting a snack or sticking to a health goal, so using them for saying no to a person is our step. A second paper by the same pair is closer: refusals framed as “I don't” persuaded other people more than “I can't”, because they sounded like conviction rather than a rule someone else made.

Who kept going all ten days, ten women per group: “I don't” 8 of 10 (9.2 days on average), just say no 3 of 10 (5.2 days), “I can't” 1 of 10 (2.9 days). EACH SQUARE IS ONE WOMAN · FILLED = KEPT GOING ALL 10 DAYS “I don't” 8 of 10 · 9.2 days on average Just say no 3 of 10 · 5.2 days on average “I can't” 1 of 10 · 2.9 days on average
Patrick & Hagtvedt (2012), Journal of Consumer Research, Study 3: thirty women, ten per phrase, reporting daily for up to ten days. Counts and mean days are from the paper.

The idea

Why it works.

An excuse puts the problem outside you: the kids, the money, the diary. Problems can be solved, so the other person helps solve them, and you end up arguing about bedtime instead of the call. A line about you leaves nothing to fix.

It's also kinder than it sounds. A short, warm no tells them exactly where they stand, which a long apology that ends in “maybe” never does.

When it goes wrong

Habits that help.

  • It's about you, not them. “I don't take calls after seven”, not “You can't call me after seven.”
  • Keep it true. Don't say “I don't” about something you'll do next week. A line you break teaches people to push.
  • Warm voice, same words. A smile and a “thanks for asking” don't weaken it. Extra reasons do.
  • Start small. Pick one line this week and use it word for word, every time it comes up.

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