I think that would be caused by the body's metabolism of her less work. Therefore, she may feel tired and she must sit on the Osaka hotel with a long arm, and changed to an activity that uses less power.
I think it was from the metabolism in the body of her works. So she may feel tired and she had to sit on a chair with arms longer. And to do things that are less and less.
I think should from the system of metabolism in the body of her let down. So she may feel tired easier and she must sit on the seat with long arms. And the change event, use less.