She squatted next to the stain on the tree and the smell was very strong in her nostrils, much stronger than the mark at the cabin. That strange urge hit her again and she found herself pulling her pants down and squirting urine over his mark. She stood up and refastened her pants, thinking to herself, dama that was weird. She could smell her own scent now, covering him. It wasn't the same as the scent from her sex, close, but there was something else in it as well. She sniffed it and that click in her head snapped again, this time the message was CHALLENGE