The protagonist reflects on a profound sense of loss and the end of meaningful experiences in his life. He recognizes that the joy he once derived from running and dancing has faded, leaving him feeling disconnected and withdrawn from the world around him. This change deeply affects his perception, making everything seem trivial and devoid of purpose.
This existential crisis leads him to an understanding that his emotional landscape has shifted dramatically. The vibrant feelings he used to cherish are now just memories, transforming his outlook on life into one of emptiness and disconnection.