# coming of age (handover)

*Ordinarily means:* the passage from being a child to being an adult

the handover where a self-model stops being maintained by others' models of it and starts being maintained by its own readings.

- Computed level: L17 (depth in the emergence graph, not abstraction)
- Status: review  ·  Domain: psychology

## Emergence
**Emerges from:** [self-model](https://emergencemachine.com/tools/lexicon/what-is-the-meaning-of-self-model.reflexive), [others](https://emergencemachine.com/tools/lexicon/what-is-the-meaning-of-others.distinct-entities), [model](https://emergencemachine.com/tools/lexicon/what-is-the-meaning-of-model.representation), [maintenance](https://emergencemachine.com/tools/lexicon/what-is-the-meaning-of-maintenance.upkeep), [read](https://emergencemachine.com/tools/lexicon/what-is-the-meaning-of-read.information), [young](https://emergencemachine.com/tools/lexicon/what-is-the-meaning-of-young.age), [stop](https://emergencemachine.com/tools/lexicon/what-is-the-meaning-of-stop.action), [start](https://emergencemachine.com/tools/lexicon/what-is-the-meaning-of-start.action)

**Through:** While the thing is young its self-model is held in place by the models others maintain of it; at the handover the upkeep switches source, and from then on drift in the model can only be corrected by the model's own readings.

**Novel properties:**
- maintenance source switch
- self-sourced upkeep
- externally seeded model

## Examples
- In the first year away from home, people report not knowing who they are: the maintainers of the old model are out of range. *(society)*
- A spun-off subsidiary spends its first year discovering which of its practices were its own and which were the parent's. *(business)*
- A fledgling raptor's first winter alone is when its hunting becomes its own or fails. *(biology)*

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*Canonical: https://emergencemachine.com/tools/lexicon/what-is-the-meaning-of-coming-of-age.handover*  
*Structured data: https://emergencemachine.com/tools/lexicon/what-is-the-meaning-of-coming-of-age.handover.json*  
*Every definition provably resolves to space, time, energy and pattern.*