Sheldon: All this change is just too much. The reporters, the attention at work, and now even Amy's changed. Whoa, whoa, whoa. Slow down.
Penny: I'm playing a drinking game. Every time you say the word "change," I take a slug.
Sheldon: Are you gonna be able to drive me home?
Penny: Mm. Not unless you change the subject. Huh. Now I said it. Meh.