[Jotaro, one to rarely explain, simply tilts his hat, as if that magically explains everything. He got better, so it's not like it's a big concern to him. He wipes his hands on his black coat, but that does little more than smear the mess further. His hands still remain red.]

Yeah. He was threatening my mother. I took care of him.

[Jotaro nods. He stands up properly, as if to prove he's fine, but he staggers a little bit.]

... I just need rest. Once we get out of here, I'll probably heal.