Since they're drawn by the scent of food scraps and the odor of human sweat, etc. if you don't wish to be attacked, you'd best keep yourself and your surroundings clean. The odor of sweat which is normally regarded as foul, is the fragrance of the greatest treat to them. It does none other than stimulate their brain and lower body, igniting their desire. They're extremely selfish and they eat when they feel like it and attack men when they feel like attacking.