Can You Make Someone Fall in Love With You?

In a study from the 60s and 70s, scientists researched the connection between the size of the pupil and the attractiveness of a person. They showed men 2 photos of the same woman. The photos were identical except for one little detail — in one of the photos, the pupils of the lady were bigger. As a result, the men liked the edited photo more even though nobody noticed the difference in eyes.