Its just when he says 'im happy for you Carlo' and grabs his cheeks, it looks like he doesnt suspect a thing, masterful.

In the movie they made him look absolutely sure of his fact when he went to see Carlo 'you have to answer for Santino, Carlo'


Sonny - Well then, business will have to suffer, all right? And listen, do me a favor, Tom. No more advice on how to patch things up, just help me win, please