We never have only one talk about anything! Kids learn through repetition and they need reminders every day to help them make good choices. So, why would I treat something as important a sex any differently?
"How did I get Daddy's genes for big feet if I was made inside of Mommy?" This conversation happened between my children, over my head as I "slept" the other morning at 6:15. At this point, I had to get involved.
I asked him if there were anything he wanted to talk about. He immediately blurted out, "Yes, but I can't say it... It's, it's too disgusting.... It's too horrible. And, plus, I'm not even sure it's real. It may have all been just a big fat lie!"
Recently my wife and I realized that while our older son could recite the egg/sperm/donor story at age 2, we're not sure what our younger son knows about his beginnings. We decided to wait for a teachable moment to arrive, which happened one morning last week.