Culture Shock 21

What did you say?
Huh?
Yeah.
Nope.
What?

Vs.

Yes sir.
No ma'am.
Excuse me?

These are not just things children say. These are adult languages. I love that my son is getting used to saying "sir" & "ma'am" but it still feels strange for me to say and hear them.
{It's only been ten months.}