Eamon nearly chokes.

"Whar--really? I mean, aye, that's why I'm 'ere." He grins and heart palpitates a little with a bout of relief, but the grin fades at the other's expression of pain. He walks over to the white-haired boy and cocks his head to look at him better. "You alright, sham?" 

He hesitantly puts a hand on the other's shoulder. "Bad knees? You need a stick or something?"