"Now, honey, Mommy's going to show you what Daddy likes so when I go to visit Aunt Sarah next weekend you can take care of Daddy's... needs. He works so hard for us and now that you're older, I think you should help out a little..."
"Of course, Mom! But... he's... there's... did he cum already?"
"No baby, that's just something called precum... It means he likes what he sees. You'll take good care of him, I just know it.. Now watch me, okay? Daddy likes dirty talk, and when he gets really excited he'll hold you down. That means he's really into it. Now I'm going to... mmm... lick it up... You like that, Daddy? Yes... you like me sucking on your hard and ready penis..."