Conjugal society could subsist and attain its ends without it; nay, community of goods, and the power over them, mutual assistance and maintenance, and other things belonging to conjugal society, might be varied and regulated by that contract which unites man and wife in that society, as far as may consist with procreation and the bringing up of children till they could shift for themselves; nothing being necessary to any society, that is not necessary to the ends for which it is made.