What does my dad have in common with Nemo?

They both can’t be found.

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That's cold.

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Was born male and became female later in life? (look up lifecycles of clown fish to understand punchline)

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Nemo was found, because he didn't go for cigarettes.

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Groan

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I mean, spoiler >! at least they didfind Nemo !<

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P Sherman, 42 Wallaby Way, Sydney