A Life Engineered

A Life Engineered

The Mistakes You Can't Take Back

Why do one-way door decisions feel so easy to walk through?

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Steve Huynh
Sep 09, 2026
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Blurred people moving through subway turnstiles in a busy station
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In his 2015 letter to shareholders, Jeff Bezos split decisions into two kinds. Some are one-way doors. Once you walk through them, you can’t get back to where you were, so those decisions should be made slowly and with a lot of consultation.

Most decisions, though, are two-way doors. If you don’t like what’s on the other side, you can walk back out. Those decisions should be made fast, by the people closest to the problem.

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Choosing a crib is a two-way door decision. Having a child is a one-way door. You can return the crib. You cannot return the kid.

At Amazon, I heard this framing in a meeting at least once a week. It became shorthand. “Is this a one-way door?” was a legitimate question to ask anybody from an intern all the way up to the CEO.

Last week I wrote about the mistakes that look risky but don’t cost you any…

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