This episode is about not dwelling on the past: what you should have done, I wish I did that, I could have done this etc.

Also, you should not let yourself get stuck in the future - worrying about the future does nothing except bring stress. It is ok to prepare for the future, with goal setting etc. and make ideas today that inspire your growth, your happiness, but do not dwell, that just causes suffering. Living in the moment, keeping your senses open, listening carefully to your heart - this is the best way to a happy life.

because one day, you will die, you must live now!