The marriage is a voluntary act of love what means the will to love the other for all the life by the mechanism of the volition. This love is composed, materially speaking, by the body. Thus, if you disagree with the fact of having to touch the other, sexually speaking, the marriage is not for you, and if you disagree with the fact of having to be touched by the other, sexually speaking, the marriage is not for you. The marital act and Co is one of hard cores of marriage because the marriage is a sexed and sexual contract, a sexed and sexual institution, a sexed and sexual covenant and a sexed and sexual consortium: a sexed and sexual donation, and a sexed and sexual reception, for all the life and for all the time, in the respect of the natural moral order of the marriage and of the marital act. The rules of reason, the reasonability, the fair rationality, the objectivity, the justice, the natural goodness, the catholic charity, the natural love, the supernatural love, the moderation, the balance, the efforts and the sacrifices, the principle of practice of the marital act and the exception of un-practice of the marital act are the rules of marriage.