 Atia and Antony confront him, furious, and Octavian's intransigence drives Antony to a fury that ends in him beating Octavian bloody.Determined to enter public life and furious at Atia for her support of Antony over him, Octavian leaves Rome to join his former schoolmates and form an army of his own.The growing rivalry between Mark Antony and Octavian eventually puts them literally at war with each other; when Octavian's forces defeat Antony, driving him and his remaining men into the forests of Cisalpine Gaul.