How did BJ Penn get a black belt in 3 years?

Related questions

1. Is purple belt higher than black?
2. What is a purple belt in Brazilian Jiu Jitsu?
3. Who has a red belt in BJJ?
4. Who started BJJ?
5. How many BJJ black belts are there?
6. How much is BJJ a month?
7. What does blue belt in BJJ mean?
8. Who has a BJJ red belt?
9. What do the stripes mean on a BJJ belt?
10. Are there belts in Muay Thai?

Tags

1. #years
2. #black
3. #purple
4. #gracie
5. #reached
6. #receive
7. #months
8. #brown
9. #until
10. #pederneiras
11. #interview
12. #ralph
13. #andre
14. #received
15. #given
16. #according