I gave an estimate in Yukon in October for a new furnace and air handler. She was getting two bids. She called two weeks later to say she'd gone with the other company. That happens. I thanked her and told her to call if she needed anything. I thought that was the end of it.

She called again eleven days later. The other company had rescheduled her twice. The install hadn't happened yet. And she asked me something I wasn't expecting: did I make a mistake?

Leon Festinger published his theory of cognitive dissonance in 1957. Post-decision dissonance is the specific form: after you make a choice, the mind begins to justify it. You remember the reasons you chose more clearly than the reasons you didn't. The goal isn't accuracy. It's reducing the discomfort of holding two contradictory beliefs: I made a careful decision, and it might have been wrong.

When doubt breaks through the justification, the person in that state isn't looking for better information. They're looking for relief from the feeling of having been wrong. They'll organize their beliefs around whatever narrative the next person offers.

I could see the opening. She was handing me the job back. I could have let her anxiety tip over and had a signed contract by the end of the week. I didn't do that. Not because I'm above temptation, but because winning a job by amplifying someone's doubt is not something I can build on. A customer you win that way is a customer you have to keep winning that way.

I told her the truth: October delays happen with every company. The cold snaps hit and everyone calls at once. Here's what to ask for, here's the threshold where you should escalate, here's when to call me back. She said: I just wanted someone to tell me it was going to be okay. I said: I can't promise that. But what you're describing so far isn't unusual.

The install happened the following Monday. She texted me a few weeks later: unit is running great. The following spring she called for a tune-up. That's the version of the job I can live with.

Core line: "I didn't do that. I'm not going to pretend it wasn't tempting."

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