Makin' me cranky

 Me: "Show me your DNA model."
Dave: "I helped make the one Connell has."
Me: "So tell me what the parts of it are."
Dave: " Umm... that's the DNA, and... those are the 1s and 2s..."
Me: " How is it that you helped construct it but don't know the structure?"
Connell: "He made the base."
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Jesse: "This is my DNA." (holds up a line of molecular model beads looking nothing like DNA)
Me: "That doesn't look like DNA at all."
Jesse: "Yeah, but I did it."
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Marissa: "That's one of those stupid things you say that nobody ever thinks in funny, only you."