More Questions About His Body

Ok so my son is curious about his bodylately. He wants to know what "things" are. Ugh...the other night after his bath he was sitting on the step wrapped in a towel. When I looked up at him he was twisting his nipple. ?? I said, "Hey buddy, what are you doin?" He said, "These are my BOOBS!" I said, "No, those are your PECKS. Boys have PECKS." He pointed to my chest and said, "Those are your BOOBS!" I said, "No those are my BREASTS." He giggled that amazingly hilarious little giggle and said, "You've got the biggest BREATH of all!!!" :) I did not correct him! :)