37. If you are familiar with their temperament, you can get along better and fight with them. For example, they hate the smell of orange peel. If you put two pieces on the shelf, they will avoid climbing up. They are too high for a moment. When they fly in the room, they get wet, shake them twice, and then touch them along their backs. They have to stop and find a place to lick their hair (or obsessive-compulsive disorder) to calm them down and clean up their fur.

38. The elves have an agreement with humans that, under any circumstances, they will stop everything and count the salt one by one. Cats and humans also have an agreement, most of the time, you put your fingers in front of them, they will put up their nose to smell (not the middle finger).

Be prepared that they will leave you one day. All company is temporary, or long or short, people and people, and things, and animals. It's time to meditate. In fact, they have become part of you and continue to exist.

40. Prevention and treatment of black chin / feline acne. Cat's constitution and eating habits and other reasons, can cause black chin. If you have a bad jaw, it's swollen and rotten. Wash with mild soap, or wipe the affected area with tea soaked in gauze, and then apply erythromycin eye ointment to relieve inflammation. Replace the water bowl with metal / ceramic / glass instead of plastic. The latter two are fragile.