She finally got her first major clue as to what it was that was hidden in my pants, which made her breathing turn much heavier, and I could feel her ass and chest heat up every second she touched the snake below, which she was doing much more carefully now as if she was scared that she would hurt it.
"B-But isn't a penis supposed to be really soft and flaccid? Why would it feel so hard and stiff like it is right now?" My mother squeezed the snake with her fingers, but no matter how much pressure she put on it, it wouldn't bend to her will and stayed in the same shape it was in. "...But it's also known that a man's penis gets hard when they get excited, so it makes sense if it isn't as soft as it's supposed to be...And I'm sure that you're also quite excited about having your mother sit on your lap with how big of a pervert you are, so the reason you got excited also checks the box..."