3 Bible Verses about Appetite, Sexual

Put to death, therefore, whatever belongs to your earthly nature: sexual immorality, impurity, passion, evil desire and greed, which is idolatry.

For this is the will of God, your sanctification: that is, that you should abstain from sexual immorality; that each one of you know how to take his own spouse for himself in holiness and honor, not in the passion of lust like the heathen, who do not know God;

Now concerning the matters about which you wrote, it is good for a man not to touch a woman. But because of immorality, each man should have his own wife, and each woman her own husband. The husband should fulfill his marital duty to his wife, and likewise the wife to her husband.read more.
The wife does not have authority over her own body, but the husband does; and likewise also the husband does not have authority over his own body, but the wife does. Do not deprive one another, except by agreement for a time, so that you may devote yourselves to prayer, and then come together again so that Satan will not tempt you because of your lack of self-control. I say this by way of concession, not of command. I wish that all men were as I myself am. But each man has his own gift from God, one in this manner and another in that. But I say to the unmarried and to the widows that it is good for them if they remain even as I. But if they cannot exercise self-control, they should marry; for it is better to marry than to burn with passion.