Want to have a long, happy relationship with the person you love? Hit the gym and sweat it out with your sweetheart!

Dr. Jane Greer, marriage and relationship psychotherapist says couples that work out together, stay together.

She claims, "The actual exercise itself can physically and emotionally have a positive impact. Both partners come away with feelings of synchronicity, cooperative spirit and shared passion."

There are many benefits to couples working out together like less stress, better sleep and a sharper brain. All of which can help you as you navigate the years together.

One more added benefit of regular exercise according to Dr. Greer, it can also lead to a better experience sweating in the sack with your sweetie!

You may want to take Olivia Newton John's advice and spend this Valentine's Day on his and her treadmills getting physical?