Results showed that the attractive couple was rated as currently more satisfied than the non-matching couple, where the male was more attractive than the female.
He stated that good physical matches may be conducive to good relationships.
The study reported that partners most similar in physical attractiveness were found to rate themselves happier and report deeper feelings of love.
Longer exposure may have changed the attraction ratings.
In a follow up of the experiment, it was found that couples were more likely to continue interacting if they held similar attraction ratings.
which suggests why people become attracted to their partner.