Barry huffs out a laugh, but it's a feeble one as he nods. "Right, you can smell me getting sad." He breathes in, finally shifting into Derek's side as guilt and embarrassment and grief roil through him.

"He left, actually," he said. "My dad, when he got out of prison. All that time apart and we were finally together, and he barely made a pit stop at the house before he left to go west. He said it was so I could be the hero I needed to be, but I think - " Barry hesitates. "I think it might have been because he knew I'd gone back in time, and I still didn't save her. I could have fixed everything right then - for him, for her, for our family, and I didn't do it."