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.
But like infection is the petty thought: it creeps and hides, and wants to be nowhere--until the whole body is decayed and withered by the petty infection... Thus spoke Zarathustra.
The Boov frowned. 'Everybodies always is wanting to make a clone for to doing their work. If you are not wanting to do your work, why would a clone of you want to do your work?
Sometimes, you have to step outside of the person you've been and remember the person you were meant to be. The person you want to be. The person you are.