What's the wildest way you've seen someone settle a dispute over a girl or guy in a bar setting?

How has high-speed internet changed the way young people in your region view their career options?
What is a book, essay, or speech that completely changed your worldview or personal philosophy?
What are some memorable ways people have handled bar troublemakers without escalating the situation too much?
What makes it so hard to prove the manipulations of a covert narcissist to others, and how can you document your experiences effectively?