1. When you exit a bus and utter those two immortal words: Thinkstock / BuzzFeed 2. When any team scores against England during the Six Nations: imgur.com 3. Shouting the "gwlad, gwlad!" part of the national anthem because it's the only part you definitely know: imgur.com / BuzzFeed 4. When you move up to high school and have to learn the Lord's Prayer in English: imgur.com 5. When someone talks about a person called Dai without following up their first name with a nickname: Twitter: @Lizzy_Mahonex 6. When you have to ask "Ga i fynd i'r ty bach os gwelwch yn dda" just so you can take a goddamn piss: Thinkstock / BuzzFeed 7. When you're expecting public transport to show up on time: imgur.com 8. When you go to Oakwood, put your arms up on Treetops and almost lose a limb: S4C 9. When you forget that Channel 4 is not Channel 4: imgur.com / BuzzFeed 10. Getting a day off doing school work because of the Eisteddfod: AMC / BuzzFeed 11. When someone other than Derek is presenting the weather: Twitter: @Lizzy_Mahonex 12. When your favourite band goes on a UK tour but they completely miss out Wales: MTV / imgur.com 13. When after 10 years of Welsh lessons the only thing you can remember to say is "rydw i’n hoffi coffi": imgur.com / BuzzFeed 14. When the sports coach says "it's only a light drizzle" outside: imgur.com 15. The night you first heard stories about the Black Nun: Twitter: @wanderjade 16. Answering the register with "yma" even when you're in French lessons: Thinkstock / BuzzFeed 17. When you travel abroad and meet someone else Welsh: Tap to play or pause GIF Tap to play or pause GIF Warner Bros.