Hook Psychology Reference card from Lesson 03
Quick reference

The Loop Chain

Keep a debt outstanding at all times, and always pay it back.

The iron rule Every open loop is a promise. Close too early = no pull. Never close = broken trust. Open loops are debts. Always pay them.

The 4-beat chain

1
Open loop A
Pose the question in the hook. Withhold the answer.
2
Delay
Add story or detail. Let the wait build. Don't answer yet.
3
Stack loop B
Open a second, bigger question BEFORE closing A.
Close A + B
Pay both debts, land the lesson, prompt save / follow.

Rule of thumb: never zero tension until the very end. B opens before A closes.

Four ways to hold a loop open

1 · The "but wait" Before closing, tease something bigger. "That's not what stopped me."
2 · The withheld noun Say a thing exists, not what it is. "There's one habit that's making you anxious."
3 · The numbered promise "3 things I realized", they wait for #3. Best one last.
4 · The unit cliffhanger End each tweet / slide by pulling to the next. "Slide 3 hits the hardest."

The three leaks

Fail 1: Closed too early Answer given in the hook. → Withhold it; make them travel to it.
Fail 2: Never closed / fake payoff Cliffhanger with no reward. Clickbait. → Always pay the debt, for real.
Fail 3: Too many open at once Brain gives up tracking. → Rhythm: open, close, open, close.
Source: Zeigarnik (1927), unfinished tasks keep tugging at attention. The memory boost is contested (2025 meta-analysis); the attention-pull holds.