His hand finally retracts, coming to rest his arm across his own lap.

"And what exactly would I be getting myself into, then?" It's a fair enough question, even if he had thought it to be quite a different situation. He'd heard stories of siblings loosely before, but not in detail. None of those stories came off as particularly unsettling... but it isn't as if he considers Floyd and his own relationship as anything other than 'normal'. Partners more than siblings, yes, but he is still his valued brother. "I understand if I can't receive the full details."

His own family is secretive, so he understands... even if really he feels drawn to dig his claws into this trail of conversation. Rook knows so much about him, after all, but even his own research and questions often left him with nothing.