1) Believe Sex is a Necessary Evil.

1.  1 And God blessed Noah and his sons, and said unto them, Be fruitful, and multiply, and replenish the earth. (Genesis 9:1) 
2.  7 And you, be ye fruitful, and multiply; bring forth abundantly in the earth, and multiply therein.(Genesis 9:7)
3. 13 A bundle of myrrh is my well-beloved unto me; he shall lie all night betwixt my breasts. (Song of Solomon 1:13)
4. 3 As the apple tree among the trees of the wood, so is my beloved among the sons. I sat down under his shadow with great delight, and his fruit was sweet to my taste. (Song of Solomon 2:3)
5. 6 His left hand is under my head, and his right hand doth embrace me. (Song of Solomon 2:6)
6. 7 I charge you, O ye daughters of Jerusalem, by the roes, and by the hinds of the field, that ye stir not up, nor awake my love, till he please. (Song of Solomon 2:7)
7. 14 O my dove, that art in the clefts of the rock, in the secret places of the stairs, let me see thy countenance, let me hear thy voice; for sweet is thy voice, and thy countenance is comely. (Song of Solomon 2:14)
8. 4 It was but a little that I passed from them, but I found him whom my soul loveth: I held him, and would not let him go, until I had brought him into my mother’s house, and into the chamber of her that conceived me. (Song of Solomon 3:4)
9. 4 Thy neck is like the tower of David builded for an armoury, whereon there hang a thousand bucklers, all shields of mighty men. (Song of Solomon 4:5)
10. 9 Thou hast ravished my heart, my sister, my spouse; thou hast ravished my heart with one of thine eyes, with one chain of thy neck. (Song of Solomon 4:9) 
11. 10 How fair is thy love, my sister, my spouse! how much better is thy love than wine! and the smell of thine ointments than all spices! (Song of Solomon 4:10)
12. 11 Thy lips, O my spouse, drop as the honeycomb: honey and milk are under thy tongue; and the smell of thy garments is like the smell of Lebanon. (Song of Solomon 4:11)
13. 3 I have put off my coat; how shall I put it on? I have washed my feet; how shall I defile them? (Song of Solomon 5:3)
14. 4 My beloved put in his hand by the hole of the door, and my bowels were moved for him. (Song of Solomon 5:4) 
15. 5 I rose up to open to my beloved; and my hands dropped with myrrh, and my fingers with sweet smelling myrrh, upon the handles of the lock. (Song of Solomon 5:5)
16. 16 His mouth is most sweet: yea, he is altogether lovely. This is my beloved, and this is my friend, O daughters of Jerusalem. (Song of Solomon 5:16)
17. 1 How beautiful are thy feet with shoes, O prince’s daughter! the joints of thy thighs are like jewels, the work of the hands of a cunning workman. (Song of Solomon 7:1)
18. 3 Thy two breasts are like two young roes that are twins. (Song of Solomon 7:3)
19. 9 And the roof of thy mouth like the best wine for my beloved, that goeth down sweetly, causing the lips of those that are asleep to speak. (Song of Solomon 7:9)
20. 10 I am my beloved’s, and his desire is toward me. (Song of Solomon 7:10)
21. 15 Drink waters out of thine own cistern, and running waters out of thine own well. (Proverbs 5:15)
22. Let them be only thine own, and not strangers’ with thee. (Proverbs 5:17)
23. 18 Let thy fountain be blessed: and rejoice with the wife of thy youth. (Proverbs 5:18)
24. 19 Let her be as the loving hind and pleasant roe; let her breasts satisfy thee at all times; and be thou ravished always with her love. (Proverbs 5:19)
25. 8 And I gave thee thy master’s house, and thy master’s wives into thy bosom, and gave thee the house of Israel and of Judah; and if that had been too little, I would moreover have given unto thee such and such things. (2 Samuel 12:8)
26. 4 Marriage is honourable in all, and the bed undefiled: but whoremongers and adulterers God will judge. (Hebrews 13:4)