Pogue Mahone
Closet Gooner.
True. I can relate to this even in my very low amateur football level, I've had plenty of different knocks but kept on playing only to realize the following that it was a rather serious injury. With the adrenaline, unless the injury prevents from completely moving, you'll always want to play.
Exactly. Plus you often have the opposite scenario. Something which absolutely kills when it happens and really bothers you throughout the game, then heals up perfectly within a day or two afterwards.