♪ >> is happiness really about -- >> we are not on the wu tang story anymore. >> we would all like to go to the wu tang. it is a simpler time. we have to move on. >> do you think age is a number or where are you in your life. how do you feel? >> if you look at it on a piece of paper it is a number. you know what, it is a great thing that people are finding their happiness in older age. i want to know who does the studies and who do they ask? 60-year-old people? most are get getting close to the end of their life. >> it is a happiness app and it wasn't exactly a study.