It's not easy when you fall for someone in another time zone or take a job halfway across the world from your significant other. Long-distance relationships are hard work, and bring all sorts of challenges that traditional pairings never have to deal with. There's a silver lining, though: research shows that the old adage about absence making the heart grow fonder really is true. Long-distance couples spend more time fostering meaningful interactions and don't seem to sweat the small stuff. It does take work, however — but we've got relationship tips and even some unique product recommendations that can make it a little easier.