It's not really a failure. It may be the sequela of plastic surgery, especially when the face is injected with Botox, and the facial muscles will be stiff for a while. If you compare Da Zi's play Spring with her previous or future plays, you will find that she is not unable to laugh, but her muscles are stiff and her smile is stiff. It's okay now. You can watch her latest play! MyLady, it's natural to be here.