The young must be taught how to act as adults when they’re young. It doesn’t matter what mammal you’re discussing the same rule applies.
“Give me a child until he is 7 and I will show you the man.” -Aristotle

“There’s no such thing as a bad dog, only bad dog owners.” -Cesar Milan
“An animal born in the wilderness will always be wild at heart.” -Anon
“The young will mirror actions, not words.” -Anon