I thought there was some numb areas on me lower body, becasue of a bad back.. but now I see there are lots of places I can pinch myself HARD and there is no pain at all. Also, I guess the 90% loss of sensation in my nipples must be related, no more pleasure.. some places I can pinch, No pain, then an inch away OUCH!! what is going on? this has been happening more and more for a few years I guess.. age 57, overwieght