1 Corinthians 7:4-6

Young's Literal Translation

⁴ the wife over her own body hath not authority, but the husband; and, in like manner also, the husband over his own body hath not authority, but the wife.

⁵ Defraud not one another, except by consent for a time, that ye may be free for fasting and prayer, and again may come together, that the Adversary may not tempt you because of your incontinence;

⁶ and this I say by way of concurrence -- not of command,