Your Food is Having Fun Without You

The fridge is humming softly in the night
Its blessed coolness washing over all
And I am Melvin, keeper of the light.
I live behind the fan; I’m one inch tall.

When people wake to snack on milk or cheese
They pull the fridge’s handle sleepily
And I jump up, their tired eyes to please;
I run to flip the switch so they can see.

But what the people never would suspect
is how much fun we’re having in the dim;
the night’s appeal taking its effect
on bread and egg alike, both she and him…

The party in the fridge gets wild for some;
They count on me to warn when people come!

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Prompt: You are the little man in the refrigerator who switches the light on and off (any style).