Humpty was smiling in the polite manner of one who instinctively believed that he was better than everyone else until proven wrong, though all things considered he was a Duke and it's not like there were all that many of those around. As for the bowing and displaying proper etiquette, well Humpty prided himself on being a gentleman above all else, and he had quite a bit of pride if he did say so himself.
"The pleasure is all mine," he demurred, subtly giving Ariel a once-over. Nothing too leery, though.
"From what I've seen thus far it's an exemplary establishment," he proclaimed, his gaze taking in all that Ariel was gesturing at. One three-piece suit in particular caught his eye, a pinstriped number in a dark blue that he was certain would accentuate his eyes and help call attention to the natural highlights that streaked his hair thanks to the sun.
"I was in the market to upgrade my current wardrobe to some more current selections, while I'm practically swimming in work clothes I've found my more social selections are decidedly lacking." As he spoke, Humpty walked over to the suit he'd noticed earlier. "How much would something like this run me?"