[ Her shaking is taken for either fear, excitement, or a mixture of both. She made it clear she was concerned for conflict, maybe seeing his method has sparked the desire to learn. This is one of those imparting wisdom moments, he's sure of it. ]

You can do it too. The eye contact, that's important. [ He taps the side of his head. ] Never blink, let them know you are watching everything. If they look away or shrink back they've acknowledged that you are in the right. After that they just need a verbal reminder, works every time.

[ Except for when Scylla decided to go rogue or when Tiamat refused to back down, or when Kong wouldn't stop trying to fight him. Okay it doesn't work every time, but undermining her confidence will ruin the lesson! ]