Kiddo is very good at shaking her head and calmly but firmly saying "Sorry, but no."
This is the exact energy I want for her to have when she sets boundaries throughout her life.
...
But maybe not at bedtime?... 
@TarkabarkaHolgy she's got to practice somewhere. Practice is important 
@TarkabarkaHolgy The parents’ paradox. “I want you to be independent minded, strong, assertive, and to think critically. Just not when I tell you to do something!”
@hedders "I would happily debate the merits of brushing your teeth from a logical perspective instead of giving orders, but debate would mean the other party has arguments other than NOOOOO"
Welcome to politics
@TarkabarkaHolgy Regrettably, mine are now old enough actually to have decent counter arguments. Nothing more conflicting than being completely out-argued by your teenage daughter!
@TarkabarkaHolgy My son often replies to requests with a very polite "no thank you", it can be infuriating.
@JustFi The rage is real :D Mine weaponized it as "Mom is angry at you now." "Sorry, but you are not."
@TarkabarkaHolgy I tend to just sit back now and say okay....then I see him thinking "uh oh, Mum is too calm, I should maybe do it".