Week 11: Keeping the Nest
The maintenance lecture — why personalised care needs pruning as well as accumulation, and continuity is an ongoing practice rather than a finished profile
17 May 2027
The claim#
A nest is maintained, not finished.
By now you have observed, interpreted, sorted history, triaged memory, noticed change, weighed conflicting signals, held your judgement against obedience, and repaired at least one real failure. It would be reasonable to expect that stack of work to converge on something stable: a finished model of your human cat that you can now simply run. It does not converge that way, and this lecture is about why that is not a shortfall in your work — it is what personalised care actually is.
What needs maintaining, not just building#
- Old assumptions need checking, not because they were wrong when made, but because Week 6 already taught you a model can become wrong without ever having been foolish.
- Memory needs pruning as well as accumulation. A KEEP that has quietly stopped being confirmed is not neutral just sitting there — it is still shaping your responses, on borrowed authority.
- Routines and shared conventions need upkeep. The private joke, the nightly check-in — these persist only because something keeps reconfirming them, not because they were established once.
- Repaired failures should leave traces. A repair Week 10 asked you to make is not finished the moment the model updates; the trace of what went wrong and what changed is itself part of what you should be able to point to later.
- Uncertainty should be allowed to stay visible. Resolving every uncertain entry into a confident one, just to make the model look finished, is the static-profile mistake from Week 5 wearing a tidier disguise.
The nest, more literally this time#
The metaphor this course has been running on has mostly stayed in the background — human cat, Catwatch, Care Lab — without asking you to take the image of a nest very seriously. This week it is worth taking seriously. A nest is not built once and then occupied unchanged. It is added to, worn down, re-arranged, occasionally rebuilt around a change in circumstance — and it is exactly this ongoing, unglamorous maintenance, not the original construction, that keeps it usable.
A nest is maintained, not finished.
Continuity is a practice, not a state#
The mistake this lecture is most worried about is treating “I have a care model now” as an achievement with an end date. Continuity is not a possession you acquire and then hold. It is closer to a practice you keep doing — the same way Week 1 described understanding one human cat as a long-term practice rather than a skill you master once. A model you stop maintaining does not stay where you left it. It goes stale in exactly the ways this lecture just listed, quietly, without announcing the moment it happened.
Why this matters now#
Know Your Cat does not end with a single well-built model; it ends with a model that has been kept usable across a semester of contact with a real, changing person. This week’s Care Lab, Repair Clinic, asks you to complete a full diagnose-repair-update chain on a genuine failure, with the model change itself counted as evidence. Week 12 closes the semester by asking what all of this maintenance has actually amounted to.
Outline#
- why a stack of good techniques does not converge on a finished model
- old assumptions, memory, routines, repairs and uncertainty as five things that need ongoing upkeep, not one-time construction
- the nest metaphor taken literally: maintained, not built once
- continuity as a practice rather than a possession
- carrying this into Repair Clinic and the semester’s closing lecture
Teaching team
- Marisol Quaye — convenor