The more kids you have, the sadder you are likely to be. At least that's what Harvard University psychology professor Daniel Gilbert claims.
At today's Happiness and its Causes conference in Sydney, Australia, Gilbert concluded having children will send your marital happiness into a downward spiral. Here
I suppose that's the case when they each cost you 300 grand a year for prep schools, summer camps, day care centers, plastic surgery, orthodontics, tutoring, therapy, clothes, new cars, birth control pills, abortions, defense attorney fees, parties, sex changes, etc.