Marriage

Hebrews 13:4

Marriage is honourable in all, and the bed undefiled: but whoremongers and adulterers God will judge.

1 Thessalonians 4:1-5

1 Furthermore then we beseech you, brethren, and exhort you by the Lord Jesus, that as ye have received of us how ye ought to walk and to please God, so ye would abound more and more.
2 For ye know what commandments we gave you by the Lord Jesus.
3 For this is the will of God, even your sanctification, that ye should abstain from fornication:
4That every one of you should know how to possess his vessel in sanctification and honour;
5Not in the lust of concupiscence, even as the Gentiles which know not God:

Concupiscence - strong sexual desire; lust.

Proverbs 6:23-26

23 For the commandment is a lamp; and the law is light; and reproofs of instruction are the way of life:
24 To keep thee from the evil woman, from the flattery of the tongue of a strange woman.
25 Lust not after her beauty in thine heart; neither let her take thee with her eyelids.
26 For by means of a whorish woman a man is brought to a piece of bread: and the adulteress will hunt for the precious life.

Proverbs 6:32

But whoso committeth adultery with a woman lacketh understanding: he that doeth it destroyeth his own soul

1 Esdras 4:26-27

26 Yea, many there be that have run out of their wits for women, and become servants for their sakes.
27 Many also have perished, have erred, and sinned, for women.

Ecclesiasticus 19:2

Wine and women will make men of understanding to fall away: and he that cleaveth to harlots will become impudent.

Ephesians 5:22-33

22 Wives, submit yourselves unto your own husbands, as unto the Lord.
23 For the husband is the head of the wife, even as Christ is the head of the church: and he is the saviour of the body.
24 Therefore as the church is subject unto Christ, so let the wives be to their own husbands in every thing.
25 Husbands, love your wives, even as Christ also loved the church, and gave himself for it;
26 That he might sanctify and cleanse it with the washing of water by the word,
27 That he might present it to himself a glorious church, not having spot, or wrinkle, or any such thing; but that it should be holy and without blemish.
28 So ought men to love their wives as their own bodies. He that loveth his wife loveth himself.
29 For no man ever yet hated his own flesh; but nourisheth and cherisheth it, even as the Lord the church:
30 For we are members of his body, of his flesh, and of his bones.
31 For this cause shall a man leave his father and mother, and shall be joined unto his wife, and they two shall be one flesh.
32 This is a great mystery: but I speak concerning Christ and the church.
33 Nevertheless let every one of you in particular so love his wife even as himself; and the wife see that she reverence her husband.