Everybody still calls her sweet, which gives her plenty of room to move. The soft voice stays. The careful smile stays. The little comment that could be innocent if you really need it to be innocent stays too.
That old label starts lagging behind the evidence. Her goodbye lasts a beat longer in the doorway. A photo goes up with a caption pretending the crop was casual. She answers politely, then leaves enough silence after the answer to make it feel less polite.
He is not watching her turn into somebody else. He is watching the description people use for her stop covering everything she is doing.