Moving into our 40s, sex is about as frequent as church. When you pass 50, sex comes about as often as a major holiday. By the time you're in your 60s, you do it about as often as you wish Happy New Year's. "Of women, on the other hand, they say:" A wolf at 30, a tiger at 40, a panther at 50. "
「十幾勿連連，二十勿天天，三十如數鈿，四十如上教堂，五十如上佛殿，六十如拜年」，黨國大老吳稚暉對男人的性能力比喻，碰上「三十如狼，四十似虎，五十化為金錢豹！」