Question

If your cat does not react well to a particular change, go back to the last step that the cat was comfortable with for a while.

What is the most concise and specific way to rewrite the tip from the passage without changing the meaning?
If your cat has a problem, go back to one of the previous step for a few weeks.
If your cat does not adapt to change, revert back to the last step the cat was comfortable with.
If your cat has a problem with the toilet, revert back to the litter box.
If your cat has trouble adapting to any step, revert to the previous step for a few weeks.