Charlie pays a visit to his best friend Bill, who is paralysed from the waist down. Bill says, "My feet are cold. Would you mind getting my warm slippers from the bedroom for me?" Charlie says, "Sure mate, no problem" goes upstairs and there are his friend's 16 and 17 year old daughters. Charlie says, "Hi, girls, your dad sent me up here to fuck you." The eldest daughter says, "That's not true." He says, "I'll prove it." He yells down the stairs, "Both of them?" Bill yells back, "Of course, both of them, just warm them up a bit first though.."