She understood.
"You're very smart."
"Harleen" smiled. "I know. I'm you."
Meanwhile, Pamela saw Harley suddenly stop after turning away and begin muttering to herself, as though she were talking to someone invisible.
Pamela had been an inmate at Arkham more times than she could count and had seen scenes like this countless times. Following Harley's gaze to their reflections in the window opposite them, and considering Harley's choice of words, Pamela quickly caught on. "Harley, are you talking to yourself?"
"Yes. That's exactly what I'm doing."
Harley turned back and smiled at Pamela, reaching up to brush aside a lock of her dear friend's hair. "But, Ivy, no matter what, I have to save him."
"I still believe Puddin' loves me."
"You don't know him the way I do."
"He made me who I am today."
She was going to Arkham Asylum.
Her Puddin', her Mr. J, was still waiting for her...
"Joker escaped ages ago!"
Pamela finally shouted it out.
Harley whipped around. "What did you say?"
"Joker escaped ages ago, but he's never come looking for you. Don't you understand yet?"
Pamela stripped away that final pretense.
"We were worried about you. We knew that if you heard anything about Joker, you'd do anything to go back to him, so we kept it from you. But, Harley, everyone in Gotham knows you're staying with me, and Joker has never come looking for you. He hasn't even sent you a single message..."
Just as they had said before, Joker didn't care about Harley at all. He only saw her as a tool-useful, but certainly not irreplaceable.
Harley stayed no longer. She climbed onto her Modified Motorcycle and sped away.
She knew where she could find Puddin'. The Abandoned Amusement Park, the corner that sheltered their madness, was a