I Can't Have a Conversation With My Husband

Story :  Ayako's a stay-at-home mom, living a happy life with her husband Yusuke, who works at a design firm, and their 4-year-old son Daichi. They've been married for 6 years now, and her husband has been very proactive with both his job, housework, cooking, and taking care of their son. However, there is just one thing... it seems that the two can never have a full conversation together! Up until their son was born, they would sit down and talk about all sorts of things. Is something changing in their relationship? Can they figure out what might be wrong? Another day goes by without any chance to just talk...