Aymeric just stumbles back, his grip tightening just a touch to keep himself from falling over - though he realises he's in less danger of that when his back collides with the bookshelf. It hurts a little, but he dwells on it for barely a moment before Estinien is lifting him off the ground and he's more focused on clinging to the other man and kissing him senseless.

It's possible he's the one being kissed senseless, though, because he certainly feels like he might have hit his head when Estinien asks. At least, he's sort of dazed and he's having trouble thinking coherently. Not that he minds.

"No." He returns breathlessly "I'm fine. Shut up and kiss me again."

It's safe to say that Aymeric de Borel has officially lost whatever remained of his composure.