Cause 1: Random Sock Drawer Overflow | Cause 2: Inexplicable Coffee Stains | Cause 3: Unpredictable Toaster Malfunctions | Cause 4: Sudden Onset of Existential Dread | Cause 5: Randomized Pajama Pants
Also known as "That One Socks Situation," Randomized Pajama Pants is a phenomenon where all of your socks have suddenly and without explanation decided to be on opposite sides of the washer. Theories abound as to why, including:

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Cause 6: Inexplicable Cereal Bowl Overflow | Cause 7: Unpredictable Potted Plant Malfunctions | Cause 8: Sudden Onset of Disco Fever