You can check here for the steps on how to change the email address for your account: https://yt.be/help/8BTX . Hope this helps!
You can add location information to your Tweets, such as your city or precise location, from the web and via third-party applications. You always have the option to delete your Tweet location history. Learn more
You can check here for the steps on how to change the email address for your account: https://yt.be/help/8BTX . Hope this helps!