Passion,dispassion,compassion

In life we have go through these wonderful phases Passion,dispassion, and compassion.what is passion ,which you  eagar to learn,achieve,, without passion in life,you become depression,what is dispassion ,it means let go attitude,when you go do meditation,you have to leave all your worries,work.when you go to bed ,you have to leave all your worries ,go to sleep.when our consciousness expand,let go attitude develop.what is compassion,it means loving all without conditions and taking pain with love and experience it.