The principal value of any marriage must be to foster life. There may be values that follow from it, but fostering life is the essential element of marriage.
>shouldn't common interests be part of a good marriage That only common interests that matter are those related to FOSTERING LIFE. Any other common interests are meaningless. Your wife is not your recreational partner, only your partner for FOSTERING LIFE.
>but we don't plan on having children GTFO childfree degenerates. You don't have a wife, only a low grade and expensive whore- you bought when you should have leased.