By contracting marriage the two parts become "one flesh" (Eph 5:31; Gen. 2:24). That explains first of all the sexual relationship within marriage. But the full meaning develops more widely over the years. Marriage is a bond that involves not only the body, but also the soul and spirit.
The fundamental basis of marriage is the courtship, so it must be the stage where the other person is known, and know if this is or is not indicated to share the rest of life.
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Psychological consequences
According to Jahaira Castro, a psychologist, a person who has been formed under a type of belief all his life, can not change all his thoughts overnight, this would cause a conflict in his personality. To please his partner a person can give in to know or practice another religion, initially he will do it only for not losing that person, but his interior may or may not accept that change, it would be a very difficult situation, the best thing is that there should be a harmony as to this aspect in the couple, and that they share a single belief, "ends Castro.
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The right person and ideal partner for your life, is the one that brings you much closer to God.