You're good to me. I stopped and she used the end of my penis to rub her clitty. It would be very unusual to switch from silicone to saline, but you would be entitled to get saline if you preferred. I could have said something clever that would make her love me like I loved her at that moment. Fill out the form below to contact Bob. Chemical Signals in Vertebrates 9. But she straightened up for the rest of dinner and then ignored me the rest of the evening, like I didn't exist.