Clerk: Here's your license. Now, if you wait over there, we'll call you when the officiant's ready.
Sheldon: Do we need a blood test?
Clerk: No.
Sheldon: Well, then, how will you know whether or not we have syphilis?
Clerk: I'm gonna go out on a limb and say you don't have that.
Amy: Okay, Sheldon, you officially exceeded the number of times I hoped to hear the word "syphilis" on my wedding day.