Say!!!
Lol hope this helps :D
The behavior suggest that: He is willing to do anything to achieve his goals.
Gareth realized that someone with a background like him is almost impossible to enter knighthood.
He took the job because he wanted to get Close to King Arthur and he eventually notices Gareth Value and potential.
The answer is: The first-edition tales influenced folklorists to trust one another to gather authentic tales of living conditions.