Wrong there Naz.
https://www.lds.org/church/news/chu...eme-court-same-sex-marriage-decision?lang=eng
Most pertinent part:
RESPONSE TO THE SUPREME COURT DECISION LEGALIZING SAME‐SEX MARRIAGE IN THE UNITED STATES
June 29, 2015
Because of the recent decision of the United States Supreme Court and similar legal proceedings and legislative actions in a number of countries that have given civil recognition to same‐sex marriage relationships, the Council of the First Presidency and the Quorum of the Twelve Apostles of The Church of Jesus Christ of Latter‐day Saints restates and reaffirms the doctrinal foundation of Church teachings on morality, marriage, and the family. As we do, we encourage all to consider these teachings in the context of the Plan of Salvation and our Heavenly Father’s purposes in creating the earth and providing for our mortal birth and experience here as His children.
Marriage between a man and a woman was instituted by God and is central to His plan for His children and for the well‐being of society. “God created man in his own image, in the image of God created he him; male and female created he them. And God blessed them, and God said unto them, Be fruitful, and multiply, and replenish the earth” (Genesis 1:27‐28). “Therefore shall a man leave his father and his mother, and shall cleave unto his wife: and they shall be one flesh” (Genesis 2:24). Strong families, guided by a loving mother and father, serve as the fundamental institution for nurturing children, instilling faith, and transmitting to future generations the moral strengths and values that are important to civilization and vital to eternal salvation.
A family built on marriage of a man and a woman is the best setting for God’s plan of happiness to thrive. That is why communities and nations generally have encouraged and protected marriage between a man and a woman, and the family that results from their union, as privileged institutions. Sexual relations outside of such a marriage are contrary to the laws of God pertaining to morality.
Changes in the civil law do not, indeed cannot, change the moral law that God has established. God expects us to uphold and keep His commandments regardless of divergent opinions or trends in society. His law of chastity is clear: sexual relations are proper only between a man and a woman who are legally and lawfully wedded as husband and wife. We invite all to review and understand the doctrine contained in “The Family: A Proclamation to the World.”
Consistent with our fundamental beliefs,
Church officers will not employ their ecclesiastical authority to perform marriages between two people of the same sex, and the Church does not permit its meetinghouses or other properties to be used for ceremonies, receptions, or other activities associated with same‐sex marriages. Nevertheless, all visitors are welcome to our chapels and premises so long as they respect our standards of conduct while there.
Just because LDS Christians believe that marriage can last beyond "till death do we part" doesn't make our beliefs inconsistent with the Bible.