Very Swollen Lips Three Weeks After Lip Augmentation from Fat Transfer, Normal?

Three weeks ago, I had a lower facelift, deep dermabrasion and fat from my neck transferred to my lips. Although the swelling has subsided quite a lot and I no longer look like Daffy Duck, my lips are still huge and look unnatural. I still have to cut my food into small pieces and eat from a teaspoon. I speak with a lisp and look ridiculous when I attempt to smile. Should I be concerned or just be more patient? Should I use my mouth muscles more? I've hardly spoken since my surgery.