After a resurgent 12-1 season last year, you may have hopped on the bandwagon by calling yourself part of the most loved, most hated and most relevant fan base in the world.
Before you avow your allegiance to the Fighting Irish faithful, make sure you're ready to take the next step. It's not always easy being green, and not everyone is cut out to be a loyal son or daughter of Notre Dame.
Think you're already there? Here are 13 surefire signs that you might be a Fighting Irish fan: