His tail lashes behind him at the tip and he has to curl it backwards with a bit of a tuck to avoid showing any more emotion. He hates this. He truly does. Again, Joker was throwing himself into a sitaution but he understands how tied his hands are.

His fingers twitch at his side and he reaches out to grasp the back of Joker's attire with a slight pull. In truth, he was letting a Tease slip from his fingers and into the grooves of his fingers in case he needed to track him later.

He then bows gently, his hand resting against his chest, "If you need anything while you are attending to the lady, I will be right here, my lord." Address Joker as if he was just a common servant. He's a conman, he may as well play a part. It just means he isn't going to leave his side unless he has to.

But he does step back to give them some space in order to listen to Joker as well. He'd rather they escape through that hole.