Why does Tong Xiaoyou's husband wear a mask?

Tong Xiaoyou's husband often wears a mask in the camera, which may have multiple reasons. First of all, he may want to keep his personal privacy and avoid excessive exposure of his five senses, so as to avoid interference and trouble in his daily life. Secondly, as a family member of Tong Xiaoyou, he may want to avoid unnecessary attention and media exposure because of his relationship with Tong Xiaoyou. In addition, he may also hope to arouse the audience's curiosity and attention through this mystery, thus adding some suspense and attention to Tong Xiaoyou's video content.

These are all possible reasons for speculation, and the most real reason may be that only Tong Xiaoyou's husband knows best.