Overheard during bath time

These are just snippets of the conversation I overheard as I was getting pjs ready etc.

D: Close you eyes and let me lick your eyelids.

D: You lick my hand and I'll lick your armpit. 

S: Let's lick each other armpits!

S: Can I lick your toes?

D: Stick out your tongue and let me bite it please. 

S: Don't bite it off!

D: Let's lick each other's butts.

S: Yeah, let's lick each other's butts!

D: Can I lick it hard?

That's where I drew the line and pulled the plug, literally and figuratively.