Acharya Prashant explains that it is impossible and undesirable to perform multiple activities like music, studies, and exercise simultaneously. He emphasizes that existence does not allow multitasking; instead, one must engage in only one activity at a time with 100% focus. He cites the Zen philosophy of doing exactly what one is doing—eating while eating and walking while walking—without the mind lagging in the past or jumping into the future. This total immersion ensures that an action is lived fully and does not leave a mental residue or baggage that carries forward into the next moment.