If you just declined an invitation to go out with friends so that you can study, and then another friend offers you a beer, according to research in chapter 5, what can you do to exert some self-control and stick with your study plan? a. have a cookie instead. you deserve some sort of treat. b. promise yourself you'll only have one. it can't affect studying that much. c. take a break and collect yourself. you can resist the temptation. d. give up. there's nothing you can do now; you've already seen the beer