When you make as much money as Mark Zuckerberg, you can afford to spruce up your wardrobe. The thing is, he's just not interested.

The Facebook founder posted a photo of his closet on Monday as he prepared to go back to work following his two-month paternity leave after his wife gave birth to their first child back on December 1. Let's just say color is not his strong suit.

Zuckerberg is known almost as much for his grey shirts as he is for being the brains behind Facebook, but there is a method to his madness when it comes to his sense of fashion.

When it comes to the seemingly ubiquitous grey shirts he sports, Business Insider quoted him in 2014 as saying, "I really want to clear my life to make it so that I have to make as few decisions as possible about anything except how to best serve this community...I'm in this really lucky position, where I get to wake up every day and help serve more than a billion people. And I feel like I'm not doing my job if I spend any of my energy on things that are silly or frivolous about my life."

Geez, think about that the next time you're getting ready for a hot date and want to look your best.

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