Why did the creature set the cottage on fire?

The creature curses his creator for giving him life. Only his great rage, and his consuming desire for revenge, keeps him from taking his own life: he longs to "spread havoc and destruction around [him], and then to [sit down] and enjoy the ruin." After finding the cottage empty, he realizes he has been abandoned yet again. THe creature ends up burning down the cottage in order vent his fury.