Were it anyone but the Joker, she might have asked why he had spontaneously started to laugh, but Lisa had already accepted that as a quirk of the Joker's personality. Instead, she just looked interested in his decision to hide the confession from Harvey.

"Dent, right? I won't say anything if you'd rather I didn't - it's your business, and I know if it weren't for this virus, you wouldn't have said anything in the first place. I can... commiserate." She admitted, thinking back to the inner thoughts virus. "So, I'd say that makes whatever I am or am not hiding fair game." That said, she wasn't sure what he did think she hiding, let alone whether or not he was right about it.