Joe is 67 years old. He is a marathon runner and remains in great shape. He also volunteers at the local animal shelter and loves to attend events in the community. In his free time, he loves doing brain-teaser puzzles and playing cards with his wife. Although he has a family history of heart disease, he has managed to minimize the effects of this by having an active lifestyle and eating a Mediterranean diet. According to Rowe & Kahn's categories of successful aging, what category would Joe fall under ? Optimal Usual Pathological Unusual QUESTION 48 What would the counterpart for the role of grandpa? Grandma Grandchild Child All of the above