1. You’ve at least one friend who supports the Pittsburgh Steelers because they’re owned by the Rooney family
Image: WINSLOW TOWNSON/AP/Press Association Images
2. This is how you feel every Tuesday for 17 weeks after staying up for the late Sunday and Monday night games
Image:3. You tweet @SkySportsNFL every Sunday to complain about Cecil and/or Neil Reynolds
YouTube: Ross Miles
4. You get ridiculously happy when you meet any other NFL fan here
GIF:5. You’ve genuinely considered how good Colin Corkery would have been as a kicker
Image: INPHO/Andrew Paton
6. When you go to a game you wear your team’s jersey whether they’re playing or not
Image: Andrew Matthews/PA Archive/Press Association Images
7. Coffee is a food group
Image:8. You know that speech from Any Given Sunday off by heart
YouTube: umterps3511
9. You learned all the rules of the game by playing Madden
GIF:10. You knew Tyler Eifert was made for the NFL when you saw him in Lansdowne last year
Image: INPHO/Cathal Noonan
11. You’ve accidentally made the touchdown signal while watching your team score in another sport
Image: Joe Raymond/AP/Press Association Images
12. You’ve made Thanksgiving dinner for your mates because of the sheer joy of being able to watch Thursday football at a reasonable hour
Image:13. You’re sick and tired of rugby fans claiming it’s not a real sport because of the padding
YouTube: snakemanlax2k7
14. You hoped JJ Watt was serious when he said he wanted to take Jamie Heaslip’s spot on the Irish rugby team
GIF: Grantland
15. In quieter moments you’ve wondered what an Irish NFL franchise might be called. The Irish Rain anyone?
Image: Steven O’Rourke/TheScore.ie
16. You chose to support a team based on the city you spent your J1 summer in
Image: Dave Martin/AP/Press Association Images
17. You’ve spent more Sunday evenings than you care to remember in sports bars
Image:18. You’ve played Junior B with at least one guy who reminded you of the Fridge
YouTube: chitown2100
19. You’ve been tempted to do this in your mate’s house while watching a game
GIF: Photobucket
20. You’ve an irrational affinity for players like Joey Harrington who’ve any sort of connection to Ireland
Image: John Bazemore/AP/Press Association Images
21. And because of that you’re going to keep a close eye on the progress of Sean Galvin in the coming years
Image: UCF
What have we missed? Loads obviously. Let us know in the comments below.