Prophet Muhammad’s guidance with regard to marriage was that he encouraged making it easy, announcing it and proclaiming it openly, and expressing joy and happiness on this occasion; making a wedding feast and inviting people to it; and enjoining those who are invited to attend. Then he enjoined treating the wife with kindness and trying one's best to achieve that.

Religious commitment is the first and foremost aim, and other characteristics such as beauty, wealth, high position and good lineage and so on are secondary matters. They are not blameworthy in and of themselves, but they are not the basic aims, rather they are complementary qualities. If they are present, then that is ideal, otherwise religious commitment is the basis of all goodness.

It is permissible to engage in coitus interruptus and to use a condom if the wife gives her permission for that. For more, see the detailed answer.