Check out this article from Kuchikomi of Japan Today.
Tensions surface between middle-aged men, daughters-in law
" The generation gap is eternal, but no two eras experience it quite the same way. How many ways can the old and young grate on each other? People now approaching old age have lived through an unusual number of possibilities. Politics, music, technology, sex, and economics have all conspired in recent decades to set the generations at odds.