Chapter 19

  1. Why is gender identity more difficult to establish currently than in former times?
  2. What are the advantages and disadvantages of having a “helicopter parent”?
  3. What is the difference between friends with benefits and hooking up?
  4. Why is cohabitation much more common than it once was?
  5. How are friendships different for young and older adults?

Chapter 20

  1. What suggests that the aging process is not dependent solely on time and genes?
  2. How is the appearance of aging affected by whether an adult is male or female?
  3. How does sexual arousal change with age?
  4. Why do some experts think exercise is more important than weight?
  5. What impairs fertility in men and in women?
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