After ~6 weeks 'checked the status,' on their website, and it said to email customer service, and to post on their fb page to show you really want the sub. I posted, and the next day I got an invite code (they also 'liked' my comment), and I used it. Then 1 day after that, I get an email:
I'm dying to be able to sign my mom up (and possibly myself too - diet be damned). What sort of comment did you post on their facebook wall?