(http://30.media.tumblr.com/tumblr_lamzf4hlC21qzbkabo1_500.jpg)
Tony: Remember when I punched that one guy in the face?
Tim: You didn't do that. He punched you in the face, remember?
Tony: Oh yeah. Maybe that punch to the face gave me a concussion.
Tim: Or maybe your pride was injured and you were just trying to hide the truth to make you feel better.
Tony: Or that. But I think I like the concussion idea more.