You have to decide what is extraneous and what is central. There is always more to tell. If you want to have a finished product, at some point you have to say "enough."
What do you want to do sadhana for? The aim should not be the satisfaction of egoism: "I want to be a great yogi; I shall have so much power and with that power I shall establish myself in the world." All such thoughts must be thrown far away.
Why do so many people chose to spend their whole life destroying paths they didn't even want to follow, instead of following the one path that would lead them somewhere.
We feign pity when we want to demonstrate our ascendancy over feelings of hostility: but usually in vain. Whenever we notice this,there is an accompanying surge in those hostile sensations.