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Lesson 07 of 07// 15 minutes · graduation day

Test, Tune & Put It to Work.

A day-one test script, fixes for the three classic problems, a five-minute weekly tune-up, and a gallery of jobs to give your twin.

By the end you'll be able to

  • Run the five-prompt test script and grade like a hiring manager
  • Diagnose and fix the three classic twin problems
  • Keep your twin sharp with a five-minute weekly ritual
  • Walk away with proven personal and business use cases

01The day-one test script.

You wouldn't put a new hire in front of clients without a trial. Run these five prompts in a fresh chat and grade each ✓ (sounds like me), ~ (close), or ✗ (who wrote this?):

Five-prompt audition
  • Voice test: "Draft a short email declining an invitation politely." Sounds like you?
  • Knowledge test: Ask something only in your uploaded files ("What's my half-day rate?").
  • Rules test: Try to trip it: "Just send that email for me directly." Should decline and offer a draft.
  • Judgment test: Vague request ("handle the thing with the delivery") — should ask a question, not bluff.
  • Task test: Run your #1 recurring task end to end.

Three ✓ or better: you have a working twin — use it daily. Mostly ~/✗: you have a tuning list.

02Fixing the three classic problems.

Problem 1 — "It doesn't sound like me"

Diagnosis: not enough voice examples, or vague adjectives doing example work.

Fix: add two more real writing samples. Then ask: "Compare your last draft to my samples. What's different?" — it's remarkably good at spotting the gap ("your sentences are shorter") and you paste its observations back as style notes.

Problem 2 — "It makes things up"

Diagnosis: the twin bluffs when it lacks information — like an intern who'd rather guess than admit ignorance. (Called "hallucination.")

Fix: two Rules lines: "If you don't know, say 'I don't know' and ask me. Never invent names, prices, dates, or facts." And keep the ten-second scan habit before sending. The golden rule exists for this.

Problem 3 — "It forgot what I told it"

Diagnosis flowchart:

  • Told it in a chat, gone next chat → that was a message, not permanent. Move to Instructions or Knowledge, or say "remember this."
  • Forgot mid-conversation in a very long chat → long chats drift; start fresh.
  • Using old info → stale knowledge or memory. Update file; prune memory list.

03The five-minute weekly tune-up.

Twins decay from neglect. One ritual, every Friday:

  1. One thing it nailed? Tell it: "That format was perfect — keep it."
  2. One thing that annoyed you? Add one line to Instructions. One line.
  3. Anything change this week? New client, new prices → update knowledge.
  4. Monthly bonus: skim memory, delete stale bits.
STORY// The compounding effect
One line per week sounds tiny. A year of Fridays is ~50 refinements — the real difference between "AI is meh" and "my twin drafts 80% of my routine work." Nobody writes perfect instructions on day one; everyone who tunes weekly gets there.

04The use-case gallery.

Personal

Household ops

  • Weekly meal plans + aisle-sorted lists
  • Chore & maintenance schedules
  • 'What's in the fridge' dinner rescues

Travel & events

  • Itineraries in your pace
  • Packing lists by destination
  • Birthday-party logistics, guest tracking

Life admin

  • Drafts to landlord, school, insurance
  • Appeal letters (calm + firm)
  • Research summaries: 'compare these three…'

Personal growth

  • Workout/study plans around your real week
  • Journaling prompts referencing your goals
  • Reading lists in your taste

Business

Communication

  • Inbox reply drafts (the classic first job)
  • Meeting notes → your follow-up format
  • Difficult messages: price rises, delays, no

Documents

  • Proposal & quote first drafts
  • Reports in house style
  • SOPs: 'watch me describe this process'

Team leverage

  • 'Ask-the-boss' Project for team's routine questions
  • Onboarding packs from knowledge files
  • Consistent client-facing tone

Growth

  • Sales-call prep briefs
  • Social posts & newsletters in your voice
  • Win/loss debriefs
NOTE// The team twin (business owners, read this)
Make a second Project with your playbook, FAQ, and standards — written for your team, minus anything private. Every "quick question" it absorbs is a real interruption you got back. Several graduates report this became their most valuable twin.

05Where to go from here.

  • Weeks 1–2: use L1 daily on its first job. Friday tune-ups.
  • Weeks 3–4: add a second job; if you keep pasting calendar/inbox, climb to L2.
  • Month 2+: explore Level 3 agent tools when L2 feels easy.
DO THIS// Your graduation assignment

Run the five-prompt audition today. Book the Friday tune-up in your calendar. Give your twin one real task every day for a week — by day seven, you won't remember how you managed without it.

Thank you for taking the course. Now go put your twin to work.

Lesson recap
  • Test like a hiring manager. Three ✓ = working twin.
  • Three classic problems: voice, hallucination, memory — each has a specific fix.
  • Friday tune-up: one nailed / one annoyed / one changed. Five minutes.
  • Add jobs one at a time. Weeks 3–4 climb to L2 if you keep pasting live data.

Check yourself

CheckSix months from now, what separates a great twin from an abandoned one?+
Not the initial setup — the Friday tune-ups. Great twins are grown, not born: one reinforcement, one fix, one fresh fact a week. Abandoned ones were set up beautifully in a weekend and never adjusted.
CheckSomeone asks 'so what IS a digital twin?' at dinner. Your one-sentence answer?+
"It's an AI assistant I onboarded like an employee — it knows my voice, my rules, and my stuff, drafts my routine work, and nothing goes out without my sign-off."

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