"Why do you call it a penis?"

So yesterday, you told me that you had touched Henry's butt. You did that because he had touched charlottes butt. And Charlotte had in touched his butt. 

Yes it was all in fun, but I realised that at six years old (and Almost seven) you should know that private parts are just that- private. 

So I did tell all 3 of you about their proper names and explained about how they are private and how and who are allowed to touch them.