Oh.

His cheeks colour and he quickly hides his face in the crook of Hythlodaeus' neck. He had temporarily forgotten that they were in public. Now that his attention has been drawn to it, it feels like there a multitude of eyes on their persons, judging or perhaps silently commenting on the odd pair and their outburst.

"Shut up," he grouses. "If you do that, I will refuse to speak to you."