Romantic photos of Hadi Kazemi and Samaneh Pakdel

Researchers compared the brain scans of long-term married individuals to the scans of individuals who have recently fallen in love. Surprisingly, the results revealed similar activity in specific brain regions for both long-term, intense romantic love and couples in early-stage romantic love. These particular brain regions could be the clue as to why certain couples stay madly in love years, even decades, later.