Like a baby

Two elderly friends were sitting on a park bench in the evening time when one turns to the other asking, "Bill, I'm 83 years old and I'm just full of aches and pains. I know you are about my age. How do you feel?' Bill says, " I feel just like a newborn." Rather amazed, his friend repeats his statement in the form of a question, "Really? A newborn?" 

"Yeah", grins Bill, " No teeth, No hair and I think I just wet my pants.