Do not deprive one another except with consent for a time, that you may give yourselves to fasting and prayer; and come together again so that Satan does not tempt you because of your lack of self-control.
1 Corinthians 7:5
Surrounding context
7:4 The wife does not have authority over her own body, but the husband does. And likewise the husband does not have authority over his own body, but the wife does.
7:5 Do not deprive one another except with consent for a time, that you may give yourselves to fasting and prayer; and come together again so that Satan does not tempt you because of your lack of self-control.
7:6 But I say this as a concession, not as a commandment.