Marriage is supposed to be exciting. A new home. A new relationship. More privacy. More intimacy. Yet for some newlyweds, the first few weeks of marriage bring an unexpected problem: sex starts feeling like a test. A husband may find himself thinking: “What if I can't get an erection?” “What if I lose it halfway?” “What if she thinks I don't find her attractive?” “What if I don't last long enough?” “What if it happens again tonight?” And once these thoughts begin, intimacy ca