In this task, you're given a context passage. Your job is to generate relevant questions that can be answered by directly referring to the passage.

Example input: Tracy slept awkwardly on their new bed and was having some pain, so Tracy cracked her neck.
Example output: What did Tracy do with her neck?
Example explanation: The question asked is relevant and can be directly answered by referring to the phrase "so Tracy cracked her neck" from the passage.
Q: Also , Sam's shocked he's even saying any of this . " You want to go back to how it used to be . " Sam answers for him , and kind of gets it because he remembers when they would just hunt for the sake of hunting - not because they were trying to find their father or because they needed to kill a demon . When they were teenagers , back then the demon was sort of this thing at the forefront of their father's mind and more or less at the back of theirs .
A:
Why did they hunt for the sake of hunting ?