I swear I read a round of articles on this subject a few months ago and the number was $60K. http://www.google.com/search?aq=f&sourceid=chrome&ie=UTF-8&q=happi

I swear I read a round of articles on this subject a few months ago and the number was $60K. http://www.google.com/search?aq=f&sourceid=chrome&ie=UTF-8&q=happiness+60#hl=en&q=happiness+60k&aq=f&aqi=&aql=&oq=&gs_rfai=&pbx=1&fp=368644f9c0f1c536 http://www.google.com/search?aq=f&sourceid=chrome&ie...