Ah travel New scenery, exciting adventures, time alone with a loved one. Truth is, travel can make or break a relationship. Just negotiating when to leave for the airport can be tricky: she insists on arriving hours ahead of flight time, he likes the excitement of a photo finish. But as Mary-Lou Weisman sees it, "The inevitable rage with which we begin each trip only helps us to better appreciate the good times that lie ahead." Or maybe not. When...