She goes serious, the playful excitement fading into something weighty, and he pays close attention to what she says. There's a part of him that wants to be offended. Why would he be anything other than kind? Why would Rosie think, for one second, that he ever could be? But he knows she's just looking out for her friend. He'd say the same thing to anyone that Rosie was interested in — hell, he has done it for Alex. So he gets it, and he nods.
no subject
"Yeah, of course," he says.