Pierre seems... embarassed. That wasn't something he was proud of doing. And she was right, though not for the reason stated -- he was probably the worst whore in London, as well as many surrounding countries.
Pinion blinks thoughtfully, then decides to give Boots the bug as a gift, and says so with more inexplicable vocal representations of things no living humanoid should be able to sound like.
"I've never met Petit," Carrick says, "but we can find her. Come back to London with us."