Adrian Monk: Unless I'm wrong, which, you know, I'm not.
Adrian Monk: Here's what happened.
Dr. Shuler: You’re gonna feel normal for a while. And then there’s gonna be some vomiting, followed by death.
Monk: Vomiting?
Dr. Shuler: That’s right. Followed by death.
Monk: Vomiting.
Dr. Shuler: Yes. Followed by death.
Monk: Vomiting!
Dr. Shuler: Adrian, I really need you to focus on the last part of that sentence. There’s gonna be some vomiting... and then death.
Monk: Is there any chance death could come before the vomiting?
Adrian Monk: I don't know how he did it. But he did it.
Monk: It's a gift...and a curse.
Adrian Monk: Here's what happened.
Answer: Notice also that in the opening credits scene when he is touching parking meters her also wipes his hand on his clothes each time he does it.