One day Little Sally got her "monthly bleeding" for the first time in her life. Having failed to understand what was going on and being really frightened, she decided to share her trouble with little Joey.
When she found Joey she told him what was happening, but he didn't quite understand so she showed him what her problem was.

Joey's face got very serious and he said, "You know, I'm no doctor, but it looks like someone ripped your balls off!"