He wouldn't think it, in the middle of a firework strike, but he could hear the human yelp mixed in among the noise (evolutionary benefit, he thought automatically, something about herd animals and fearing what caused other people pain) a second before he nearly tripped over something. He caught his balance hastily and without thinking about it started moving in the same direction as her, half slung over to protect her from coming blasts.

Evolution really is a bitch.