Do you stay by the side of your friends and family through the good times and the bad times? Or do you mysteriously disappear when help is needed? Take our quiz to find out your loyalty quotient on the love and longevity scale. More Quizzes: Are You Compassionate? Are You a Good Listener? Reprinted from "When Good Things Happen to Good People" by Stephen G. Post and Jill Neimark, with permission of Random House.