Can't the old fairy get along with Chou Xian?

Yes, with Chou Xian, the old fairy can't enter the body.

According to fairy tales, the old fairy is an ancient fairy. He has magical power and can enter anyone's body, but he also has his own restrictions and cannot enter Chou Xian's body.

Chou Xian is a mysterious existence. They have great power and the ability to resist the old fairy, so the old fairy can't enter Chou Xian's body.

However, the old fairy also has a way to control Chou Xian. For example, he can use magic to seal Chou Xian so that they can't move freely.

Therefore, the old immortal can't enter Chou Xian's body, but he can control Chou Xian in other ways.