Reality Porn Blog: BUSTY ADVENTURES hundred yards or so we took turns with the vibrators. I found that I could turn Jan's on and determine her level of arousal by the color and stiffness of her nipples. One long, twenty-second burst of vibrator stimulation would get her sufficiently aroused that she could no longer walk. She used three-second bursts, about five seconds apart, and continued them until I was fully erect. Then she would give me a ten-second burst until the head of my penis turned dark. She always stopped just before I ejaculated. Our hour-long walk kept is both in a stage of nearly constant, extreme arousal.