Sharing photos helps the other person feel as though he or she is a part of these fun activities, even if from a distance.
Make sure that you both have the same expectations from the relationship. Establish early on whether the relationship is exclusive or not, and what your title is, exactly. Some people involve themselves in long-distance relationships as an easy way to have love and affection without having to sacrifice any freedom. Be clear about your long-term goals regarding marriage and children.
If you focus on the positive aspects of your relationship, and follow the simple rules explained above, there’s a decent chance it will last.