Official studies have claimed that in order to live a very long life, it is important to maintain friendships, to keep a positive attitude, not to stress out too much, and to just have really amazing genes. Apparently, it also helps if you are a woman. But can that be it? Or is there an ultimate, literal life hack that we are all missing? Here are some seemingly odd ways that centenarians and supercentenarians (a person who lives at least 110 years) claimed helped them live such a long time.