She may have been trying to hide her anger, but Dick wasn't fooled. He could tell he'd hit a nerve he'd never intended to hit. He was trying to be supportive, but it looked like he'd failed slightly. The truth was, he thought a lot about how satisfying it would be to have his fingers around the Joker's neck and just squeeze, but that wasn't supposed to be his way. He was supposed to show mercy, let the system take care of them, not use excessive amounts of violence. Not kill. It scared him a little how quick he was to forget that whenever he thought of the Joker.
"Damn," Dick breathed. He'd kind of wanted a minute to talk about this, but he wasn't allowed the luxury. "I'll catch up!" he shouted to Helena, then leaned in toward Barbara. "I'll be back, Babs. Keep your ears and eyes peeled for me, all right?"
Then it was downstairs to rush himself through suiting up.