Your email must have an "@" symbol and at least one "."!
If you want to use Google to login to your cjCoding account, create it with this form. To set up Sign In With Google, create the account, and you can link it to a Google Account on the cjCoding account page. After you link a Google Account, you will be able to use it to login to your cjCoding account.
Use this form to reset your password. Enter the email of the account in the first input and type the password you want to set for the account in the second. Then click the button to verify that it is your account.