Why are couples the same when they get old?

Forget attractive opposite. We like people who look like us, because they tend to be similar to us in character. And, a recent study speculates, the longer we stick, the more similar our looks are.

The older you get, the more likely you'll be for couples to love each other (Photo: LiveScience, VNE) Researchers have figured out why couples tend to look superficially apart. They asked 11 men and 11 women to evaluate the age, attractiveness and personality traits of 160 surviving couples. Photos of wife and husband are viewed independently, so volunteers will not know who is married to whom.

Experiments show that men and women who are judged by volunteers to look the same and have the same personality are actually a couple. Also, the longer the time for couples to stick, the more similarities are.

Researchers speculate that sharing life experiences may have affected the couple's appearance.

The idea of ​​a connection between appearance and hearing may seem strange, but may also be derived from biological qualities, said team member Tony Little from the University of Liverpool in the UK.

"Testosterone is considered to create facial expressions for men and it also affects behavior. Likewise, the face shows our affection and over time, the expression of affection may have been marked on the mold. Little face, "Little said. For example, someone who laughs often has many wrinkles and muscles that show that the person is happy.

Other studies have shown that couples with genetic compatibility often have happy marriages. The similarity of personality and physical characteristics may be a way to determine this genetic similarity.

T. An (according to LiveScience)