The affectionate smile, the crinkles at the corners of his eyes. Then how it fades into something more. The way he raises his eyebrows in a subtle but very obvious way as he pulls his lips in just slightly as his throat moves when he swallows. His jaw setting as he does that almost imperceptible tilt as he swallows.
This man has something on his mind.
Fuck you kindly, sir.
Here is the clip that this is taken from. It is right after he pats Ty on the thigh and says he is a “big teddy bear”. He then makes that face.