By this point I had been tickling Mary for about 20 minutes, and we had started to get pretty comfortable with each other. I could tell that she trusted me, and was not feeling any anxiety, so I decided to ramp things up, tickling her until she collapsed into a ball, unable to do anything but laugh and beg. It was pretty obvious from the playful way she would try to resist, though, that she was loving it even though it was driving her insane. All that pleading did earn her a break of sorts, when I returned to her feet with a shaving brush. The soft bristles on her soles and toes drove her c... Show more