"Hm?" Jacob makes a curious sound and glances over his shoulder to see who it was, but yes, it was too late. His fingertips were already in the process of making contact with the wall. The moment they did his eyes widened and his body went rigid, the surge of emotion rippling through him. It blanked out his conscious mind and enraged the Beast within him. Which was why he was now charging at the well-meaning teenager, fangs bared and growling.