You encounter a casual acquaintance you've not seen in quite some time.
You exchange hugs, pleasantries and catch up on what each the other has been doing since you last spoke.
As you're sharing your updates, you can tell that the friend is anxious to say something. You allow a natural pause.
She then pats your stomach and says "Congratulations on your pregnancy! How far along are you?"
You are NOT pregnant.
What do YOU do?