You shouldn't do anything that will make an argument worse.
Mark was having an argument with his wife over finances.
Mark doesn't want to keep arguing.
Mark walks away so that they can agree to disagree.
Mark tells his wife that she shouldn't tell him what to do with his own money.
Mark's wife is still a little mad, but she'll get over it.
Mark's wife feels disrespected that Mark would think that she doesn't contribute.