His dad and I have urged him it's very natural but he doesn't seem to bothered, although I think it's because he hasn't been taught sex education at school, so I though I would talk to him about it. My son is 16 and he seems under developed, as he hasn't started masturbating yet. I've always been an open minded woman, I was close to my family growing up, we was a tight little bunch! Now I have a family of my own I wanted to be the best family we can be, no secrets and can always talk to one and other.