6 Common Personality Quirks—and the Surprising Meanings Behind Them

You know you’re not the only one who avoids stepping on sidewalk cracks (or can’t sleep without the closet door shut all the way). But what do your little idiosyncrasies really mean? Dr. Jennifer Hartstein, an NYC-based psychologist and frequent Dr. Oz and Today Show guest expert, gives us the scoop on 6 run-of-the-mill rituals.