<prompt> unaweza kugeuza matini haya ya swahilikwa kiingereza?tangu mwisho wa karne ya ishirini, kumekuwa na kushuka katika ndoa na, ujumla, watu huwa na kuolewa baadaye katika maisha kuliko vizazi vilivyopita.  <response>: in the past half century, there has been a decided shift in the public perception of marriage, and the couples of today are marrying far later than their predecessors. 