Work out why people try it once and never come back
signups look fine but most new users open the product once or twice and disappear, and you want to know what's missing before you build another feature.
Built on

Nir Eyal with Ryan Hoover · 2019
Supplies the loop to check for the break: trigger, action, variable reward, investment. The question is whether new users ever invest anything that loads the next visit.

Rob Fitzpatrick · 2013
Supplies the interview rules for the people who left: ask what they did the day they stopped, not what feature would bring them back.
The prompt
My situation: [describe what the product does, what share of new users drop off and when, and what the users who stay have in common]
Use Hooked: How to Build Habit-Forming Products by Nir Eyal with Ryan Hoover (2019) and The Mom Test by Rob Fitzpatrick (2013) to help.
Recall any details from the whole book that help, including names, numbers, scenes, or cases that are not the most famous chapter titles.
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