1. Random anecdote. 2. Lots of exercise and healthy food and many friends even for very old people, on average results in a long life. 3. Joke about the guy f

1. Random anecdote. 2. Lots of exercise and healthy food and many friends even for very old people, on average results in a long life. 3. Joke about the guy from the anecdote, apparently all his American doctors died, while he is in his 90s on his little Greek island.