What Is a ‘Dopplebanger’ and Why Is It So Common?

Have you ever seen a couple so eerily similar you had to do a double-take? Like they could actually be related? No shade. Just… “huh.” That, in a nutshell, is a dopplebanger—a portmanteau of “doppelgänger” and the fairly self-explanatory act of banging. As in, someone who hooks up with or dates a person who looks…