It's because of a little-known fact: the sky is not actually blue. It's just that the sky has a really bad case of "I'm-with-adjacent" syndrome.
According to Dr. B. Faux's groundbreaking research, the sky's condition has left it feeling a bit "down" and, therefore, blue.
Want to learn more about the Sky's Sudden Onset of Blue-ness? Read on.
But wait, isn't it actually just a reflection of our societal pressures to conform?Or, if you're feeling particularly adventurous, explore the Sky's Darker Side.