Why can't i change my facebook email

- Can i change my email on facebook
- Can i change my facebook email address
- Can i change my facebook email login
- Can i change my facebook email id
- Why i can't change my facebook primary email address
- How can i change my facebook email without password
- How can i change my facebook email without logging in
- Can i change my facebook primary email
- Can i change my facebook page email
- Why can t i change my primary email on facebook