what's the relationship between a husband and a wife?

what's the relationship between a husband and a wife?
the relationship between a husband and a wife is
cheating and being cheated.in the end,the
couple will break up,divorce becomes so common
that a husband and a wife think their own
interest seperately.it make everything practical.
in fact,the couple sleep in the same bed but
dream a different dream and different plans.
so the problem arises,in order to disguise
his or her plan,he or she pretends to be
simple,but actually there are a lot of
cheating.so when they break up,they realize
that what he or she says is really faulse.
so the question is that how to prevent the
wife from cheating the husband.