The Marriage of Adam and Eve

Marriage is recognised as vital to the health of any society. In the breakdown of marriage we see clearly the breakdown of society, with lawlessness and confusion at every level. God constituted marriage between one man and one woman, Adam and Eve, at creation, as an ordinance to their mutual well-being.
1 The mutual duties between husbands and wives.
2 The duty specific to husbands.
3 The duty specific to wives.
Application: What kind of husband or wife should the unmarried seek? How have the married fared? What improvements should we make?