The Three B's (Birds, Bees and Boners)

My oldest son Dylan, is turning 12 in a few weeks. I figured it was time for The Talk. Yes, all parents nightmare, The Facts of Life. When I was coming of age in 1969-70's-90's I only got The Book and I had heard all about it anyway from my friends who were all 1-2 years older than me. The book didn't even have pictures, just cheesey line drawings that were one step above stick figures. I'm not quite sure why I brought it up with Dylan when I did other than I think he has a girlfriend and I figured let's go for it. I was driving him back from a birthday party he went to in NJ so I asked him what he knew about babies and junk. He seemed to know what was going on for the most part and they are going to cover it in 6th grade later this year. I also asked him if he noticing any 'changes' in his body. He has a 13 1/2 year old cousin who's voice is changing and also a 10 year old cousin who is just about ready to shave (very scary because he's not the brightest star in the sky shall we say). Dylan, like me, will probably be a late bloomer which I told him is cool because most of the guys who enter puberty early get old looking faster. So I tired to prepare him for some changes and feelings that may be happening soon. I spoke about being 'master of his domain' and that there's nothing wrong with NOT being master of his domain, don't make it a hobby. I just want him to feel like he can ask me anything about his emerging sexuality and I think he feels that way. I also told him that girls are going through a change now too with getting ta-tas and nice coochies, etc. I'm sure I'll set him straight.
-I told him if I ever figure women out, I'll let him know. But I did tell him that women like to talk about things and men like to fix things. Be a good listener, women have a lot to say (right Boo?)