Yawn.
Affirmative went out >20 years ago. Now it is Affirm vs Negative. Affirmative and Negative are too similar.
I remember the early 90's flying in Europe trying to understand the Controllers Franglais.
Q"Request runway in use"
A"Expect w-e-sterly landing at De Gaulle"
Q"Please confirm Easterly runway at de Gaulle??"
A"I said n-a-firmative, w-e-sterly at de Gaulle!!"
and so on.