Does your significant other gaze lovingly into your eyes for what seems like forever? Are you the center of their world (and only friend)? Or are they charming and eerily calm in challenging situations?
While all of these things may seem romantic or attractive, according to the Diagnostic and Statistical Manual of Mental Disorders, they might just be signs that your better half is actually a sociopath. But fear not; you're most definitely not alone. Harvard psychologist Dr. Martha Stout estimates that 1 out of 25 Americans are sociopaths.
Watch the video above and put your relationship to the test.