It does get better, if you have more than one email address associated to your Persona ( via https://login.persona.org/ https://login.persona.org/ ) then during

It does get better, if you have more than one email address associated to your Persona ( via https://login.persona.org/ https://login.persona.org/ ) then during sign-in you are asked which you'd prefer to use. Then it's really clear which is used.