Hoping that the Vets can get a handle on what is ailing Bella. Give your Good Girl pets an love from me, Bosco, Panda(Bostons), Yarrow and, Yasina (Cats)
Our previous cat Trouble, would open our lever type handle doors to let himself out, and would jump on the exterior handle, creating a KATHUNK! to be let back in. He was usually out for several hours.
That would depend on your perspective…