The way it was designed to be - precious, loving one another as their own bodies:
Genesis 2:
But for Adam no suitable helper was found. 21 So the Lord God caused the man to fall into a deep sleep; and while he was sleeping, he took one of the man’s ribs and then closed up the place with flesh. 22 Then the Lord God made a woman from the rib he had taken out of the man, and he brought her to the man.
23 The man said,
“This is now bone of my bones
and flesh of my flesh;
she shall be called ‘woman,’
for she was taken out of man.”
24 That is why a man leaves his father and mother and is united to his wife, and they become one flesh.
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Mark 10: 5 “It was because your hearts were hard that Moses wrote you this law,” Jesus replied. 6 “But at the beginning of creation God ‘made them male and female.’ 7 ‘For this reason a man will leave his father and mother and be united to his wife,8 and the two will become one flesh.’So they are no longer two, but one flesh. 9 Therefore what God has joined together, let no one separate.”
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Ephesians 5: 25 Husbands, love your wives, just as Christ loved the church and gave himself up for her 26 to make her holy, cleansing her by the washing with water through the word, 27 and to present her to himself as a radiant church, without stain or wrinkle or any other blemish, but holy and blameless. 28In this same way, husbands ought to love their wives as their own bodies. He who loves his wife loves himself.29 After all, no one ever hated their own body, but they feed and care for their body, just as Christ does the church— 30 for we are members of his body. 31 “For this reason a man will leave his father and mother and be united to his wife, and the two will become one flesh.” 32 This is a profound mystery—but I am talking about Christ and the church. 33 However, each one of you also must love his wife as he loves himself, and the wife must respect her husband.
Ephesians 5 1Follow God’s example, therefore, as dearly loved children 2 and walk in the way of love, just as Christ loved us and gave himself up for us as a fragrant offering and sacrifice to God.
3But among you there must not be even a hint of sexual immorality, or of any kind of impurity, or of greed, because these are improper for God’s holy people.
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Why the order of things is as it is - as an example of heavenly things:
Ephesians 5:22 Wives, submit yourselves to your own husbands as you do to the Lord. 23 For the husband is the head of the wife as Christ is the head of the church, his body, of which he is the Savior. 24 Now as the church submits to Christ, so also wives should submit to their husbands in everything.
AND
Ephesians 5:26 to make her holy, cleansing her by the washing with water through the word, 27 and to present her to himself as a radiant church, without stain or wrinkle or any other blemish, but holy and blameless.
AND
Ephesians 5: just as Christ does the church— 30 for we are members of his body.
As others have stated, if women prefer to submit only to Christ and men/women prefer to be celibate, they are not scripturally required to marry, although it is encouraged in some situations, such as young widows (in the writings of Paul to Timothy).
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What man's sin did with God's precious gift:
Genesis 6:5 The LORD saw how great man's wickedness on the earth had become, and that every inclination of the thoughts of his heart was only evil all the time.
Matthew 15:19 For out of the heart come evil thoughts, murder, adultery, sexual immorality, theft, false testimony, slander.
Romans 1:28 Furthermore, since they did not think it worthwhile to retain the knowledge of God, he gave them over to a depraved mind, to do what ought not to be done.
Genesis 19:
19 The two angels arrived at Sodom in the evening, and Lot was sitting in the gateway of the city. When he saw them, he got up to meet them and bowed down with his face to the ground. 2 “My lords,” he said, “please turn aside to your servant’s house. You can wash your feet and spend the night and then go on your way early in the morning.”
“No,” they answered, “we will spend the night in the square.”
3 But he insisted so strongly that they did go with him and entered his house. He prepared a meal for them, baking bread without yeast, and they ate. 4 Before they had gone to bed, all the men from every part of the city of Sodom—both young and old—surrounded the house. 5 They called to Lot, “Where are the men who came to you tonight? Bring them out to us so that we can have sex with them.”
6 Lot went outside to meet them and shut the door behind him 7 and said, “No, my friends. Don’t do this wicked thing.
Men are less likely to come forward and report these evils committed against them than women, but they happen more often than most people know.