"Happy?  Grouchy?  Could Be Your Genes," says the topic of a article featuring the research of psychologists at the University of Illinois.  Said Daniel Goldman, formerly from the New York Times, "Studies of happiness in several countries have found that money makes little difference to perceptions of happiness, except among the very poor.  Nor do education, marriage and a family, or any of the many other variables that researchers have sought to correlate with contentment.  Each facilitator may make a person a little happier, but it has a minor impact, compared with the individual's characteristic sense of well-being."