Marriage is a unique relationship that places special demoands on us. Tom maintain a healthy marriage, a couple must adhere to certain biblical imperatives, including sexual fidelity, sacrifical love, mutual respect and life long commitment. This is the last in a series of articles that highlights these 'bottom-line essentials'--the foundation on which lasting marriages are built. Keeping your vows in a world of quitters. The sense of 'guaranteed belonging' is what makes marriage so appealing