[That dubious look still remains. After all, she's just a temp. Look at the others that he's had... Which is why Donna doesn't comment on it, but gives a wave of her hand, as if dismissing it.]

I suppose for walking, but put one foot in front of the other, and not both at the same time. ... do you eat? I mean, you never ate real food? Or not real food, but human food, did you?