A girl comes home and finds her dad and 4-year-old brother on the sofa. She says, "Dad, why is he wearing that face mask?"
The dad buckles his belt and says, "There's more for you, hunny."
There is a young man smoking and a woman in a wheelchair. The woman says, "Why is a young man like you smoking?" The man turns around and says, "Why the fuck are you wearing trainers?"
Why does Bill Clinton wear boxers? -- To keep his ankles warm.