Like a lot of other things, it depends on the fanon. In some FF and nonviolent cases, they can go for short stints without their accessories for their human to do something. In cases like pool #408, marisa has to learn to sleep without her accessory to earn her badge. Usually, it is when the accessory leaves reach or is taken with displayed ill will that they go bonkers.
I see your point. Is just that it doesn't have any reason to throw a shit fit from what is displayed on the image. My understanding of moon runes is null, so I might be losing important story points.
Yu~n it tickles no jeYu yu yu!!I will mache thish place Maricha's home!!Yunyaa~MarisaYupi~...Yu yu!! W~ub w~ub happiness no je~!Fluffy mishter bedch nano je! Feels good no je!