As Brutus speaks these words about himself while talking to Cassius, he is acknowledging that his personal thoughts and difficulties are preventing him from showing compassion towards those around him. Cassius is curious and apprehensive as to why Brutus has been acting strange lately. Brutus recognizes he is in a troubled situation in his mind and is mentally at war with himself initiating him to disregard displaying any sign of affection towards his friends. Brutus elucidates that he is “with himself at war,” which implies that he is in a distressed position mentally and conflicted between mindsets. The mental positions that Brutus stimulates in his remarks towards himself while speaking to Cassius corresponds closely with the internal
