Want every day to have that five o'clock on Friday feeling?
Joel Osteen, pastor of the largest megachurch in the United States, tackles how to be happier seven days a week in his new book, "Every Day a Friday."
Osteen's keep-things-simple approach -- preaching about hope, happiness and prosperity -- has drawn millions of people to his televised sermons each week, and filled stadiums around the country.
"Our message is about the goodness of God," Osteen told ABC News. "It seems just that...Full Story