The most important thing is to communicate. Tell your partner how you feel, listen to how they feel, and share the little details of your life. Because you can’t have physical intimacy with someone who lives across the country, make up for it by having an additional degree of emotional intimacy. Make time a few days a week to talk for hours. Think of it as the time you spend together in a relationship. If you lived with that person, after all, you would spend hours with them anyway. The most important piece of long distance relationship advice I can give is to meet the person and spend some time in the same area. This is important for a few reasons. For one thing, it will nurture you relationship. Not being able to see the person you’re crazy about can drive you insane, and having some time to be alone together can really do a lot to lift your mood.