  2) True.  3) Daniel Drake MD prescribed this to him. In lawyer's words, after 1836, when Lincoln told him about the illness, and specifically -in his opinion at least- because of that fear, which could not be a simply fear.  4) About rage, the abnormal thing isn't the fury, but the causes of the rage itself. F. ex., sudden rage without apparent reason or cause, which appears in 64% of patients with nervous affectation.