Why did Jon Snow join the Night's Watch?

Related questions

1. What does ygritte say when she died?
2. Does Ned Stark really die?
3. Why did Jon kill ygritte?
4. Does ygritte betray Jon Snow?
5. Why did they say Jon Snow was a traitor?
6. Why did they think Jon Snow was a traitor?
7. Why did they kill off Ned Stark?
8. Who gets brought back to life in Game of Thrones?
9. Did ygritte love Jon?
10. What did Ned Stark say before his death?

Tags

1. #himself
2. #meritocracy
3. #beyond
4. #being
5. #murderers
6. #nobles
7. #advance
8. #where
9. #joins
10. #equals
11. #bastard
12. #rapists
13. #ostensibly
14. #thing
15. #place
16. #westeros
17. #watch
18. #closest
19. #because
20. #birth
21. #ignorant
22. #night
23. #princes