A relationship is a constant work in progress, where both partners have to put in equal effort day after day. While you are the best judge of what your relationship needs, a little expert advice can certainly help you build a long-lasting relationship with your partner. So, in this article, we'll look at how you can keep your relationship strong and healthy. For instance, you need to keep channels of communication with your partner open, be accountable, focus on physical intimacy, work toward common goals, compromise when you can, and be respectful of each other.