A Ditty About My House Dog

My dog is not allowed in the house.
Okay, my dog is allowed in the house, but only in certain rooms.
My dog is allowed in all rooms, but has to stay off the furniture.
My dog can get on the old furniture only.
Fine, my dog is allowed on all the furniture, but is not allowed to sleep with the humans on the bed.
Okay, my dog is allowed on the bed, but only by invitation.
My dog can sleep on the bed whenever he wants, but not under the covers.
My dog can sleep under the covers by invitation only.
My dog can sleep under the covers every night.
Humans must ask permission to sleep under the covers with my dog.