A soft nod. "Yeah, I figured it out a little while after the Hyde incident. I burnt my tongue on some hot tea, but having some porridge from the pot for lunch later that day actually cleared it up. Kinda wish I figured THAT out sooner, though..."

It wouldn't have been enough to heal the arm fully, but it could have helped some of the pain and swelling, even fully alleviated the aftermath of having his shoulder reset. It should definitely work for a nosebleed.

Buuuut funny thing about blood. Even though Shizuo didn't inherit that blood lust from his sharky form, there are a few blots that did... and Shizuo might see some cliche fins a little ways off, but coming closer.