How often do you arrive at work to see all your co-workers wearing the same color?

How does that happen? Do you plan ahead? Or are you virtual siblings and your minds all think alike when you are getting dressed? Has anyone done a study of the percentages in how often this happens.

Frequently I will arrive to work in my black dress with white polka dots and magically my co-workers will have a theme of polka dots working. Or everyone will be in some combination of black and white. I'll try to fool whatever gods are playing with me and dig into my summer wardrobe box and pull out a dress I haven't worn in years, pink with green stripes - hideous! And I'll arrive at work and blend right in. How does that happen?

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