he's a mystery

Mommy: What kind of ice cream are you going to get?
Cameron: You never know....
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Cameron: I wonder what books we'll get at the library. You never know....

Apparently he has a new favorite phrase! I wish I could remember the details of the song he made up in the car last night...all I know is the lyrics included: "poop, pee, toot, and Christmas tree." Guaranteed to become a classic.