The reasons why cats like to watch people wash:

1. Cats are very clingy. Once they get familiar with you, they will follow you no matter what you do. go together.

2. Cats are very curious, so they will secretly observe and want to see what you are doing in the bathroom.

3. Cats also have a strong ability to learn and imitate. Some cats like their owners and will learn their owners' behaviors. This is why some cats will turn on the faucet by themselves.

4. In the minds of cats, water is very dangerous, and washing is a very painful thing, so when you wash, they will worry about whether you are in danger.

5. Also, they are worried about you secretly eating delicious food, so they have to monitor you all the time to prevent you from preparing food for it.