So I got this girl about 1.5 months ago, she has been fine but I just noticed this today. She has pronounced puffiness under the chin and upper neck right under the jaws. Granted, she is about to shed. But she ate 3 days ago and realigned her jaws as usual, now I see this. She doesn't have any external or internal bites and when I opened her mouth she had normal saliva. Just seems like she is bloated underneath the face and I've never seen this on any of my other ones. Any advice?