That's such a reductionist view of marriage, but it's completely in sync with the modern fleeting pleasure seeker mentality, coupled with the end game of commoditisation. Don't like your car? Change it. Don't like your wife ? Change it
> People change and so should relationships if the people in it don't find them suitable.
> People change and so should relationships if the people in it don't find them suitable.
If that's your starting point why even marry ?