Reminds me of the story of the very old, frail man married to a young, energetic model. He is bragging in the bar about how the two of them have sex almost every night! His drinking partner asks how the hell a man of his years can manage to keep up with her. How does he have the energy to manage sex almost every night? "Well," says the old man, "We almost had sex on Monday, almost had sex on Tuesday, almost had sex on Wednesday ..."