How does Mark Manson define the concept of "not giving a f*ck"?

Mark Manson defines the concept of “not giving a fck” as the practice of being selective and intentional about where one invests their time, energy, and emotions. It involves prioritizing what truly matters to you and letting go of trivial concerns or societal expectations that do not align with your values or goals. Manson emphasizes the importance of focusing on what is within your control and accepting the inevitable challenges and uncertainties of life without becoming consumed by them.