What’s that?

(First thing in the morning after waking up, Sam points at the divot on my upper lip.)
Sam: What’s that?
Daddy: My lip.
Sam: What’s that?
Daddy: It’s my lip.
Sam: What’s that?
Daddy: I don’t know what it’s called.
Sam: What’s that?
Daddy: What’s that?
Sam: What is that?
Daddy: You tell me!
Sam: What’s that?
(Continues 10 more times, so I finally look it up.)
Sam: What’s that?
Daddy: It’s my philtrum.
Sam: Yeah!

Sam: Daddy, I want you to stay home all the time. That’s why I was sad.
Daddy: (starts sobbing)