Otou Katayama, from Nara, southern Japan, continues to live with his three children and wife, Yumi, who perseveres in making conversation with him but has only ever received a nod or a grunt in response for 20 years.
The Japanese couple's silence was revealed by their 18-year-old son Yoshiki, who wrote into a TV show asking them to fix the situation as he had never heard them have a conversation.
And sure enough, a meeting was arranged between them in the park where they had their first date, as their emotional children watched on.
'Somehow it's been a while since we talked.
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