Fans of every single football club think that it's they who suffer the most. But unless you've had a long and faithful love affair with Sunderland Association Football Club you don't even know the meaning of the word. 15 point seasons, cup final heartbreak, and a club that currently just can't find the right blend of players and manager to escape the gravity of the constant relegation battle. It's a relationship that's not without its perks, but 99% it's a long, hard slog following the Black Cats.