The science of love is an intriguing thing. Sure, we know that love is born out of biology, but beyond the basics, what makes some romances fleeting while others last a lifetime? It turns out science might have the answer. We’ve delved into major relationship studies and called on experts to find out the proven habits that set strong relationships apart. Intrigued? Here’s what happy couples do each week to go the distance.
This story was originally published on May 4, 2016, and has been updated by Sacha Strebe.