Good luck. You'll need it.
Because every surgery, no matter how good or careful the surgeon, how fit and ideal the patient, carries a risk of major or minor complications. Cheap surgery is a raffle. Many win, some lose.
The short answer is yes, your result will be affected. It is very important to wear a compression garment after lipo or tummy tuck. The reason is that the surgical space likes to fill with fluid after surgery. This fluid is what we call a seroma, which is one of the most common...
At 8 days post op it is normal to feel this pain and numbness, your surgery was a very big surgery and it will take time for the swelling and pain to go down, continue to follow up with your PS to discuss your concerns and talk to him or her in maybe changing your pain medication, best wishes.