Part I. Breakdowns of Will: The Puzzle of Akrasia: 1. Introduction

2. The dichotomy at the root of decision science: do we make choices by weights or by judgments?

3. The warp in how we weigh the future: the basis of conflicting interests within the person

Part II. A Breakdown of the Will: The Components of Intertemporal Bargaining: 4. The warp can create involuntary behaviors: pains, hungers, emotions

5. The elementary interaction of interests

6. Sophisticated bargaining among internal interests

7. The subjective experience of intertemporal bargaining

8. Getting evidence about a non-linear motivational system

Part III. The Ultimate Breakdown of Will: Nothing Fails Like Success: 9. The downside of willpower

10. An efficient will undermines appetite

11. The need to maintain appetite eclipses the will

12. Conclusions.