The reason why cats make um sounds:

This is a way for cats to show kindness to their owners. Although cats are not as good at socializing as dogs, they also have One way to show your kindness is by smelling something with your nose. The sound of "hmm" also means that the cat trusts you very much and regards you as its good partner. You can touch the cat's head and scratch its chin, and you will hear it purring, which means the cat is very comfortable.

How to play with cats:

You can also use some snacks appropriately in daily life, such as biscuits, dried fish, etc. Or you can stroke the cat's head and back more, which is what we often call petting the cat, to make the cat feel comfortable. After getting used to it, you can play directly with the cat. In addition, you can usually use toys that can attract cats for interaction, the more common ones are cat teasing sticks and infrared lights. Using this type of tool can improve the interaction between cats and their owners.