Who's freaking out? [ Actually, true, she did get him there. The scenes she had shown him did put him in fluster, but that's only because he didn't want to be a voyeur to someone else's sex life. That just felt perverted and wrong. He could defend himself, but he's less in the mood to now, so he lets that go with a tired exhale. ]

That bastard in the rock killed my grandfather, along with countless other women and children. He tried to kill my mom.

[ That's why he doesn't look particular apologetic for what happens next. The Josuke being replayed in the moment takes out his comb and starts fixing his hair, the expression on his face unreadable.

'It would appear that ... I didn't have enough rage in my heart for you.

The man in the rock starts hurling threats and insults, and one particular insult - the one directed at Josuke's hair - causes him to completely snap. Then, a large pink ghost phases out of Josuke and pummels the man and the rock encasing him into pieces, with Josuke not even flinching at the agony that he's causing. The pieces fuse back together in the strangest way, the man's human form distorting until he's become one with the stone. ]

He's taken so many lives, so now he's gonna live out his watching everything else go by. [ He pretty much turned a dude into a rock. This definitely wasn't the memory he had wanted to show Haru, but he's also not ashamed of what he's done, so he's fine with her seeing it. ]