Because the past couldn't change.
No matter how much they wanted to change it, they would never be able to change it. Thinking about it more would only bring pain to them.
So, they should just accept it.
Humans were not perfect.
They made mistake, but that's what made them human.
"People make mistakes and the past had already happened," Shan Yu said. "My master told me to stop looking back but to look forward because only in the future would there be countless possibilities ahead. What had happened had been carved and will not change, but your actions from now will determine your future path."
Yu Jin smiled at Shan Yu's words. The chilling killing intent in her eyes faded away as she chuckled. "You have a good master."
"He's already like my father since he practically raised me." Shan Yu sighed.
