"There's nothing I can ask you that would prove anything." He knew the answers to all their history questions, he knew what Leonard thought about most things and he had no way to confirm the things he didn't. There was no way to prove this was Leonard Snart, so naturally, he defaulting it to being a lie.

"I drank too much, it pickled my brain, you always said it'd happen." And look at that, now he was seeing dead people.