If you're watching a video titled "Enthralled," you're likely seeing the intense social cues wolves use to communicate affection:

Together, a pair maintains territory and hunts prey, remaining fiercely loyal to one another to ensure their offspring survive. How Wolves Express Devotion

Wolves are highly caring and playful , often seen educating their young and caring for the injured.

They express bond-reinforcement through "face bites" and gentle nibbles, which is essentially their way of saying "I love you" .

According to Wolf Ecology Basics , wolves start establishing these lifelong mates between ages 2 and 3. Technical Specs for Visuals

Usually, only the alpha male and female breed, acting as the stable leaders of their family unit.