Why does the creature decide to go to Geneva? How have these horrible circumstances changed him?

The creature cannot believe that his protectors, his only connection to humanity, have abandoned him. He spends the remains of the day in his hovel, by turns weeping and feverishly contemplating the revenge he will take upon mankind. By morning, he is overcome with fury, and burns down the cottage in order to give vent to his anger. The creature decides to travel to Geneva in order to revenge himself upon his creator.