they are not as happy. not as healthy and. >>reporter: arthur brook wrote a book about happiness. whether do you mean not as happy. >> no. they are not as happy. >>reporter: would it make you happy to get a check. >> it would seem but it's not true. earned success is really elixir of joy in a entrepreneur society. >>reporter: people would accomplish this. >> who earn their success. >>reporter: like jessie walter she run a business that does cooking events for kid. here she is teaching them how to make zucchini muffin. >> don't it smell really good. >>reporter: she lost a job on wall street when the housing bubble burst. she didn't claim i don't know seniority or protest her firing. she thought what she could do next. >> i think i could teach kids to cook. we built a kitchen. >>reporter: while helping herself she helped others. not just the kid. she created jobs. >> we have an events manager. kitchen manager. pill work