A: I can't unlock the door!

B: Maybe it's because the key is brand new.

A: The lock won't turn at all!

B: Are you sure the key is not upside down?

A: I've flipped it five times!

B: It still doesn't work?

A: No! The door is still locked.

B: Let me try to open it.

A: Maybe you'll have better luck.

B: I see what the problem is. You're using your old key!

A: Oops! I'm so used to my old house.

B: It's alright; eventually you'll get used to this one.