Hadi Kazemi and Samaneh Pakdel New Romantic Appearance

The study gave MRIs to participants who were either in decades-old relationships or brand-new relationships, and found that the same patterns of dopamine reward systems lit up in both cases. The passion and intensity, they found, was still there for older couples: What was missing were the areas associated with obsessiveness and anxiety — or as you might experience it, the rush.