Awkwardness was definitely a huge part of the situation.

She trusted him. That got him to finally be able to really meet her gaze, but the blush was getting a bit darker now.

"Mm... no? I mean, we can kiss however we want, I guess." He looked momentarily disappointed. "I um... I haven't done this a lot," he admitted. "So, I don't know the exact rules if there are any. I'm just remembering the basics, really."

He decided to leave out the why behind his lack of mistletoe knowledge, since talking about not celebrating Christmas as much after his dad died tended to kill a mood.