Porkypig ... guys don't walk around in a constant state of arousal now ... you know that. The intent (if you missed it) was to give an impression as to what she was "thinking about" in her mind by looking through her eyes. Obviously, she thinks a large cock of that size when its limp is capable of providing many, many hours of pleasure to her. But, did you ever think that possibly she's the one that caused it to go limp?