The most dangerous phrase is "do what you want".

Although, to be fair, I have said "What ?" when I didn’t hear.
When I have heard, the question is more likely to be
"Excuse me ?"

That's a lie. She'll never do that, as a matter of fact, she'll most likely bring up what I initially said from until all eternity.

What?

and if she says "Fine"

it's not fine

dishonest then

That sounds a bit ridiculous. Why not just talk about the issue right away instead of playing kids games?

I stick with what I said the first time. Probably why my name has become 'ass'

And I would make a farting sound and smile or grab my ear and say it squeeze me I c u n t hear you

100%

Or so that she has more time to consider her response.