She sounds like a bit of a vamp Noodler, good that you told her that wasn't the kind of sweet music you had in mind. she sounds like trouble.
She sounds like a good teacher though just easily distracted unfortunately unless you're single of course
Don't think I'd fancy having my sinuses scraped sounds quite painful, I have trouble singing lower, I'm getting better with practice but there isn't as much power as when I'm singing higher and I do miss a note or two or three so that's what I work on more, I enjoy singing as much as playing the guitar.
That site's full of good information, I found it by chance so I got lucky there, it is worth taking lessons if you can and want to reach your full potential but maybe a less amorous teacher may be advisable

My Wife would have rearranged her vocal chords she's a sweet girl

You don't stop laughing when you grow old; you grow old when you stop laughing.