Men are aroused by nudity and in anticipation of sexual opportunities. Men approach sexual scenarios already mentally aroused. They want to enjoy penile stimulation with a lover. They are aroused by a partner taking the initiative, which they interpret as a sign of arousal. Men assume that women experience sex just as they do. They assume that a woman wants genital stimulation. Women need time to tune into the emotions that help make them amenable to offering a man the sexual outlet he needs.