Dragon Family au {lmk au}: Macaque and Wukong's argument + "Warrior of the Mind" 

So the "cousins" started to argue after Macaque realizing how much MK and Mei were suffering, though Wukong never wanted them to get hurt.
But then they "saw" Sanzang. Sure they hated the man for how he treated Wukong, but his words were still impactful and meaningful... Until they found out it was actually Tang, whom they are talking to. They shortly understood that Tang wasn't like their old master and Tang can still help them... Despite not remembering his past life...