The results showed that while young couples weren't always facially similar, more participants thought the couples looked alike later in the relationship.
to older couples resembling one another, shared experiences also impact how we look.
Another key finding of Zajonc's was that couples who reported more happiness in their relationships tended to have greater facial similarities.
In other words, looking alike might be the result of a happier, more fulfilling relationship.
The science of couple doppelgängers reveals a lot about our own biases in the world, but it can also give us some reassurance.
We may actually end up with doppelganger partners because we're seeking people with similar personalities, and we read each other's personalities from each other's faces.
As reported by , face shape and brow structure are just two physical features that can influence our perceptions of people upon first meeting.
Yeah, the one who all but ignores you any time you're all hanging out. If he resists, you've got a good case to present to your girlfriend.
You've asked her about him multiple times, but you're always met with the same response: There’s a difference between a significant other having friends of different genders (which is perfectly fine, and definitely encouraged), and that same significant other having someone to whom they confide more than you, laugh with more than you, trust more than you -- and may or may not want to sleep with more than you. And if he complies, you can have a man-date (or several) and gain a bunch of insights about him. What you want to avoid having is a jealous fit in front of your girlfriend.