I used to work with horses in the 80's. A time when hair was very important, as some if you rember, perms, hair spray, long hair for the Rock n roll dudes.
So if it was a day that a certain horse wouldn't cooperate. We'd say they were having a bad hair day! And just let them be. It was a way of excepting that our fellows can have an off day. Maybe other creatures get headaches or what not
I try to let my parrots have a respectful day off , if they are having a bad feather day.
I learned during a bad case of flu, that turned out was pneumonia last year, that I'd been to indulgent. See I'm a stay at home parront, so the parrots are out the whole day. Well when I was so sick I had to leave them caged ......the screaming never stopped hour after hour after hour never a single second of quiet....... For my four sickest days , that I just couldnt let tmem out at all, never ever, ever , ever stopped. I had plenty of time to think how am I going to fix this?;?
Once I got well I started having my birds be cages for at least 2 hours during the day. I made sure that when it was cage time they had a good snack, something new to shred ECT... It took a few weeks before everyone caught in to the new routine.

Now I think they enjoy having a bit of space , a time to chill, or work on their cage toys.
Now it's a great time for me to have peace and quiet, watch a movie , read. And a recent cold that have me off my game for a day, they did pretty good, some grumbles.
My other rules are no furniture unless they are sitting with me. No messing with the dogs. No parrots are allowed on the floor. No bites, pinches are allowed within reason. I don't make them step up. I ask. I'd say it's 1 in 200 that I'm am refused a step up. I don't even say step up I put my hand up they step up, on the very rare refuse they walk away, or for Penny she pushes my hand away.
They have a deep trust for me, that I try never to break. They will step to a new person if I have them on me first and then have the new person put a hand up. They usually won't stay and come right back to me but they are willing.
If say I'm indulgent with boundaries.