1. Self-confidence: People who choose to use their own avatars as WeChat avatars are usually more confident. They are confident enough about their appearance and image and are willing to show it to others.

2. Authenticity: This kind of people choose to use their own avatars as WeChat avatars, probably because they pay attention to authenticity and real communication and don't like to hide their true colors.

3. Openness: People who use avatars may be more open and frank, willing to share their lives and experiences with others, and not afraid of being seen by others.

4. Strong sense of self-identity: Such people may have a strong sense of identity with their appearance and image. They are willing to show their uniqueness and personality, rather than hide their true colors.

5. Self-protection: In order to protect their privacy and security, some people may choose to use their own avatars as WeChat avatars and are unwilling to share their photos with strangers.