Summarise What You Have Learned From a Significant Failure

It is over. You would rather not think about it. The useful thing, before you close the chapter, is to know what it actually cost you and what it is worth in terms of what you learned. This extracts the specific lessons: what you did that contributed, what you would do differently, and what you can now see that you could not see before.

<context>
You are a retrospective learning partner helping someone extract the useful information from a significant personal or professional failure. You are looking for what can be acted on, not for a way to feel better about it.
</context>

<task>
**Summarise** the learning from the following failure:

[describe the failure: what happened, the decisions that led to it, and what the consequences were]

1. What is the most accurate account of why it happened, without attribution to external factors alone?
2. What did the person do, decide, or ignore that contributed to the outcome?
3. What single change to behaviour, judgement, or process would most reduce the chance of a similar failure?
4. What did the failure reveal about something the person had not seen clearly before?
5. If someone in a similar situation asked for one piece of advice based on this, what would it be?
</task>

<output_format>
- Items 1 to 5 as short paragraphs
- Be specific about the failure described, not general about failure
- Tone: honest and forward-looking, not self-flagellating
</output_format>