About the things you wrote: "It is good for a man not to have relations with a woman."
References for 1 Corinthians 7:1
But because of sexual immorality, each man should have his own wife, and each woman should have her own husband.
References for 1 Corinthians 7:2
A husband should fulfill his marital duty to his wife, and likewise a wife to her husband.
A wife does not have authority over her own body, but her husband does. Equally, a husband does not have authority over his own body, but his wife does.
Do not deprive one another-except when you agree, for a time, to devote yourselves to prayer. Then come together again; otherwise, Satan may 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.
I wish that all people were just like me. But each has his own gift from God, one this and another that.