Could there be an equation for love? Scientists and mathematicians have spent years looking for a sum that could help them find love. But they have struggled to find one.
Opposites don’t attract finds major study

Glossary
USA - The United States of America is a country in North America. It has a population of 329 million.
Colorado - A state in the west of the US that contains much of the Rocky Mountains.
Traits - A person's characteristics or qualities.