Gavin's father-in-law? Oh, that takes me back to when I first got hooked on 'The Untamed'! The family dynamics in that show were so intricate, like a beautifully tangled web. If we're talking about Gavin from the live-action adaptation, his father-in-law is Lan Qiren, the strict but deeply principled uncle who runs the Gusu Lan sect. That man's eyebrows could intimidate a whole army!
What's fascinating is how Lan Qiren's rigidity contrasts with Gavin's (or Wei Wuxian's) chaotic energy. Their clashes became legendary among fans—like when Lan Qiren banned alcohol in Cloud Recesses, and Gavin just... found ways around it. Honestly, their relationship added so much tension and humor to the story. Makes me want to rewatch those scenes with the discipline sticks again!