Suppose that Mark is a person with a very realistic and planful approach to life. Luke is a person who lives for the moment, deluding himself about the realities of life and instead focusing on the next "big adventure" in his life. When Mark and Luke enter middle adulthood which of the following statements is the best description about how they are likely to experience this transition? Select one: a. Mark will be much more likely than Luke to have a midlife crisis. b. Neither Mark nor Luke will be likely to have a midlife crisis, because they are men. c. Luke will be much more likely than Mark to have a midlife crisis. d. Both Mark and Luke will be very likely to have a midlife crisis, because they are men.