Understand, actually when we expect the result, our goal, and reverse calculate the amount of work we need to do for the goal, we become tired of working.
Aghoris have that tradition: just do, no question of second thought current. That is one of a very powerful initiation in Aghori Sapmradaya, the Guru-disciple relationship. Many times, our mathematics does not apply is not bad news, its a good news! Many times its good news! if we never start, only then its a bad news!