A question Bruce wonders about himself. He doesn't remember hearing Terry or Barbara. Whenever he tries, all he can see is Joker's face inches from his own, lips pulled tight in that familiar rictus grin. And laughing. Laughing until he thought he would die from it.

"I don't know. I woke up here not long after."

And that was the troubling part. The antidote, he'd mixed himself, knew its components. When he woke up in the hospital, he felt perfectly fine. How that would react to his heart? He didn't know that either. So far, there'd been no side effects. But Jason didn't need to know that part.