The reasons why cats follow them to the toilet:

1. Cats are very curious. When they see their owners entering the toilet, they will be curious and follow their owners into the toilet.

2. It is also possible that the cat feels that the owner needs to be protected and wants to protect the owner.

3. Cats may be a little rebellious and often want to do things that are prohibited by their owners.

4. Cats like to follow you into the toilet because there is something in the toilet that attracts them.

5. Cats are very attached to their owners. No matter what their owners do, they want to follow them and they feel safe.

6. Cats are also very territorial animals. It may be that they want to help you bury their poop.

Solutions for cats following them to the toilet:

1. You can train the cat more and prepare some cat snacks for the cat outside the door before going to the toilet.

2. You can also buy toys that the cat likes to play with to attract its attention.

3. You can also use some commands to tell the cat not to follow its owner into the toilet.