Now for the matters you wrote about: “It is good for a man not to have sexual relations with a woman.”
References for 1 Corinthians 7:1
But since sexual immorality is occurring, each man should have sexual relations with his own wife, and each woman with her own husband.
The husband should fulfill his marital duty to his wife, and likewise the wife to her husband.
References for 1 Corinthians 7:3
The wife does not have authority over her own body but yields it to her husband. In the same way, the husband does not have authority over his own body but yields it to his wife.
Do not deprive each other except perhaps by mutual consent and for a time, so that you may devote yourselves to prayer. Then come together again so that Satan will not tempt you because of your lack of self-control.
References for 1 Corinthians 7:5
I say this as a concession, not as a command.
References for 1 Corinthians 7:6
I wish that all of you were as I am. But each of you has your own gift from God; one has this gift, another has that.
References for 1 Corinthians 7:7
Now to the unmarried and the widows I say: It is good for them to stay unmarried, as I do.
References for 1 Corinthians 7:8
But if they cannot control themselves, they should marry, for it is better to marry than to burn with passion.
References for 1 Corinthians 7:9
To the married I give this command (not I, but the Lord): A wife must not separate from her husband.
References for 1 Corinthians 7:10
But if she does, she must remain unmarried or else be reconciled to her husband. And a husband must not divorce his wife.
References for 1 Corinthians 7:11