A. How can we tell if a behavior is biologically driven?

B. Some Modern Behaviors, Driven by the Hunter-Gatherer Brain

1. Flirting

2. Copulatory Gaze

3. At the Bar

4. Keeping Time

5. Wooing Messages

6. The Dinner Date

7. Odor Lures

8. Love Maps

9. Love at First Sight

10. Infatuation Fades

11. Harem Building

12. Man is Monogamous

13. Unfaithfully Yours