I've always been able to talk to my dad about anything. On Saturday morning, after my mother and sister left early to go shopping, I was just hanging out with him in his room while he read the morning paper.  I worked up the courage to tell him that I'd been curious for a long time now to know what he looked like totally naked.  So, he laid back on the bed, let me strip off his underwear, and let me explore his body.  I took off my underwear, too. My dad is so cool.