I don't think he'd have fought so hard for you, if he didn't care about you. I just-- can't believe he was sleeping around behind your back. [He's angry that Billy's hurt... and he's angry that he's hurt as well. He'd thought they'd all been trying to make this work. Cheating and lying about problems doesn't make anything work though...

He lets out a sigh, bringing up a hand to brush through Billy's hair.]

We can walk or I can fly you back.