When An Idiot Takes Revenge.

A man heard a knock on his door and opened it to find his daughter crying, she had a bruise on her eye. "What happened?!" he asked. "I broke a glass and my husband punched me" she sobbed. The man then slapped his daughter, went to the door and called her husband. "I heard what you did to my daughter, so I took revenge" "What did you do?" the husband replied. "I slapped your wife"