Summary of I'll Have What She's Having

Mapping Social Behavior

MIT Press, more...

Buy the book

I'll Have What She's Having book summary
How and why do people act as they do in a social context?


8 Overall

7 Importance

8 Innovation

8 Style


The title of this study of social behavior comes from the Katz Deli scene in the romantic comedy When Harry Met Sally. One woman observes another appearing to have an orgasm at a nearby table and tells the waiter: “I’ll have what she’s having.” The title serves as useful shorthand for the human practices of imitation, replication and diffusion of ideas. Academics Alex Bentley and Michael J. O’Brien and consultant Mark Earls offer lucid prose and easy-to-follow examples in their fine introduction to social behavior. getAbstract recommends their insights to those interested in greater self-knowledge, social change, or marketing and innovation.

In this summary, you will learn

  • What different models of human behavior show,
  • Why copying and social learning are important, and
  • How to understand different social behaviors.


People Aren’t Rational
If rationality doesn’t shape human behavior, what does? Evolutionary psychology explains human behavior through long-established biological drives and patterns. It argues that human action is “all about food and sex – especially sex.” Men like to think their taste...
Get the key points from this book in less than 10 minutes. Learn more about our products or log in

About the Authors

Alex Bentley is a professor of archeology and anthropology at the University of Bristol. Mark Earls consults on marketing and communications. Michael J. O’Brien is dean of the College of Arts and Sciences at the University of Missouri.

Comment on this summary

More on this topic

By the same authors

Customers who read this summary also read

More by category