A scientific dating adviser for Match.com, Helen Fisher,  talked to Vox about what love does to your brain and how the science of connection and attachment may be the blueprint for your budding relationship.

When asked about the difference between sex and love, Fisher explains that "The sex drive is largely orchestrated by testosterone in both men and women, but romantic love is orchestrated by the dopamine system. I see romantic love as a basic drive that evolved millions of years ago to focus your mating energy on just one individual and start the mating process," she said. "The sex drive motivates you to look for a whole range of partners, but romantic love is about focusing your mating energy on one person at a time."

Fisher explains that your brain has a full understanding of the difference between a casual hookup and dopamine-induced love. It is an entirely different chemical experience that has been the fundamental building block of human evolution.