Sri Aurobindo
Letters of Sri Aurobindo
03. The Triple Transformation: Psychic – Spiritual – Supramental
Exactly. “The body felt fatigue” – that is what I mean by the habit of tamas. The body cannot bear the continuous experience, 
it feels it as a strain. That is the case with most sadhaks. But in your case the obstacle seems to develop a great intensity when it comes. I have already told you the means of getting rid of it, but it cannot be done in a day because it is a fixed habit of the nature and a fixed habit takes time to remove. But it can be done in not too long a time provided you don’t get disturbed when it comes and deal with it firmly and steadily.