Japan has a culture of obligation to take care of your parents but it has side effects. Dating sites for example you list if you're the oldest because people of

Japan has a culture of obligation to take care of your parents but it has side effects. Dating sites for example you list if you're the oldest because people often don't want to marry the oldest since their obliged to care for the parents. Worse, it's often left to the wife to take care of the husband's parents.