Love is the undercurrent of life. When you follow a give and take policy in love as a spouse, then it becomes a commodity. Give unconditional love. There lies the secret of enjoyment. When you give without expectation it returns in manifolds.
Experience is the good teacher.
Be in the present. We are not going to inherit anything knew because we have already inherited the greatest gift, which is our life. Live it with passion and intensity. By living your life every moment you observe the happenings and know the nuances of you r spouse. Create a rapport to sustain the relationship.