I’ve read that it has to do with partners imitating one another. When you care about someone, you’re empathetic to them and their feelings, so you mimic their expressions. I can’t explain it very well, but here’s an article on it. :] http://www.nytimes.com/1987/08/11/science/long-married-couples-do-look-alike-study-finds.html
User Detail :
Name : NadineT., Gender : Female, Sexual Orientation : Straight, Race : White/Caucasian, Religion : Unsure, Age : 18, City : South Shore, State : MA, Country : United States, Occupation : Student, Education level : High School Diploma, Social class : Lower middle class,