Tom was looking out his window one night as an elderly couple staggered up to the wire fence behind his apartment building. Much to his surprise, the old lady lifted her skirt, and the old man dropped his trousers. As he moved in, his partner leaned against the fence.
Suddenly the two seniors were having the most furious sex Tom had ever seen. Twenty minutes later they were still going at it. Tom, a recent retiree, wanted to find out if the lovebirds could tell him something about sex and aging.