Physically, we know the importance… actually, the necessity… of getting rid of waste… preferably on a daily basis.
Anal retentiveness: trying to control the necessary and natural functions… holding it in… not letting stuff go.
It’s not good for you.
What isn’t doing you any good any more? What is no longer useful? What, if you keep it, will turn toxic and eventually make you sick and even die?
What needs to be flushed away?