"I have a better idea. If we pass any place where I might pick up a cell-phone. You can get my number, and contact me by it. That way neither of us have to worry about the other party causing a breach of security. Not that I don't trust you, but... I don't know you well enough to trust you." She begins walking upright again as they continue. "Bah, must be difficult for you, being limited to one form of locomotion."