Merlyn's smile is little more than a twitch, but there's amusement in it, nonetheless. "Worth knowing," he says gravely. "I'll take it under advisement."

Truth be told, he's rather glad to have made her laugh, although he'd deny it vehemently if asked. Laughter is a valuable thing, especially in a place like this... and especially when it's not aimed at him. Not that he has a fragile ego or anything.