When a cat loses energy after shaving, the pet owner can play with the cat more, pay attention to its performance, and let it adapt slowly. Generally speaking, cats may suffer from low self-esteem, fear, depression, drastic changes in temperament, and aggression after shaving. In the world of cats, being hairless means that they are more likely to be injured, at a disadvantage, and weak during a fight. Therefore, some cats will fall into depression after shaving, but they will get used to it after a few days.