Takemichi's motivation to confront his own mortality and the fleeting nature of life comes from his desire to protect his loved ones and create a better future for them. He realizes that time is limited and that he needs to take action in order to prevent any regrets or missed opportunities. Through facing the reality of life's transience, Takemichi gains a sense of urgency and determination to make the most of his time and make a positive impact on those around him.
