Skin didn't contract fat transfer. What is happening?

Transfer to the Tear troughs, checks and hollows on the sides of my face, 8 cc on one side 9 on the other. After surgery I felt a softer jaw line and significant changes around my mouth, but the Dr stated no fat was put there. At around the 30 day mark I noticed it hollow out under my eyes and top of my checks. I woke up in the morning with significant loss of my jaw line and weight/skin around my mouth. What is happening? My Dr. said it's not possible for my skin to stretch that way.