Marco laughed once, then quickly lowered his head, finally pulling his gaze from Juno. He wanted to remind her that he did this regularly, and that sometimes his mouth couldn't keep up with his thoughts. Instead he kept his mouth shut, and waited a moment before shrugging. "Sorry," he mumbled. "I'm just, um... I don't know. Sorry."
Not really what he wanted to say, but he hadn't figured out what he wanted to say, anyway.
"...You get the ice out of your shirt, then?" he asked, laughing.