The wife Shoba felt that she was in isolation mourning the loss of her son, and Shukumar was in isolation thinking that due to the loss of her son his wife could not recover and did not I would never love the same way again. It also gave them a chance to connect by playing in the dark and telling each other secrets they had never told each other before. This gave them a bond they hadn't felt since the loss. We can link the blackout to the loss of their son, which was the cause of all their marital problems