This is an important moment in your boy’s life. Maybe the most important. More important than when he learned to walk or talk or ride a bicycle. It’s the moment his father first empties his nutsack into the kids guts. From this moment on, there is no going back. You have impregnated your son, so he is now yours forever and ever. You don’t even need to tell him that. Just the feeling of your daddy jizz spraying his tiny insides will make it clear.