Thanks everyone for the replies, and you all have very good points. I did stress to her the positives as you all pointed out, and she's more ok with it now. It turns out it's actually been just 3 weeks, not 4, so even better
I checked her calories more closely, and she's actually around 1500, both now and prior to starting her transformation. GMUnit, she and I also wondered if she's getting in enough calories. We'll add some EFAs and experiment with increasing her overall calories somewhat... maybe to around 1700? I quickly scanned the 13 week fat burning plan on this site, so when I get more time over the weekend maybe I can apply some info from there.
Thanks again all. I'll keep you posted with how things go so hopefully others can find it helpful.