What are my options to remove possible capsular seroma/scar tissue after deep plane face & neck lift?

So midface procedures typically have some relaxation even after 6 months. I would recommend waiting for at least a year prior to trying to push your cheeks down. For a conservative approach, if an endotine was used, sometimes focal kenalog can be helpful. Speak to your surgeon and consider...

Did your lift actually lift? Sometimes you are better off going with a full facelift revision to lift the deeper tissues to achieve a full face rejuvenation. Most of my patients go with a full face and neck lift to achieve their goals. In most cases our goal is for a facelift to last 10-15 years...

Yes, this is called a pixie ear deformity and it is seen when a prior facelift was performed and placed too much tension on the ear. It can be fixed with a revision facelift and maneuvers to release and reposition the earlobe, then redraping the skin so there's no tension pulling on the earlobe.