If you do this, remember that you'll need to keep your secondary device somewhere safe.
Please if you have any questions or concerns.
If you have an old phone that you no longer use, you can use that.
A quick update will clarify if this is really the case.
That is why there are apps like Google Authenticator that add this protection to almost any app.
As in using a piece of out of date software that still works, but the company that created it no longer provides support.