premise: the embitterment that resulted from the loss of his job never left him
hypothesis: embitterment is best characterized as a kind or type of radial nerve (or musculospiral nerve, nervus radialis), defined as 'largest branch of the brachial plexus; extends down the humerus to the lateral epicondyle where it divides into one branch that goes to the skin on the back of the hand and another that goes to the underlying extensor muscles' .