(Photo by Bryan Steffy/Getty Images)

Andrea Lopez, of San Francisco, went viral yesterday because she posted a way to see if someone has been unfaithful. She took a new lint roller and rolled it on her carpet before scores of auburn-colored hair clung to it. Andrea has dark hair. She was able to discover that her boyfriend, Isaac, was cheating on her. Women are now posting Tik Tok videos of themselves running their lint rollers over their carpet.

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