Dean frowned, looking back at Seamus and then shrugging, almost defensively. "It's nothing -" But of course it wasn't nothing, and it wasn't even a best friend thing, because Dean knew he couldn't keep his emotions off his face for a fucking second in the best of situations. He wasn't a good liar, either.
"I just thought... but don't worry about it. It's my problem. Come on, I'm hungry." Which he wasn't at all, actually, but it would get them out of the studio, and out into the air, and he could stop thinking about how easy it would be to grab Seamus and kiss him and see what happened.