(CNN)Michelle Obama has weighed in on the refusal of President Donald Trump and first lady Melania Trump to move forward with a transition of power to the incoming administration, reflecting on where she was four years ago and how -- though the process of ceding responsibility to the Trumps was difficult -- she persisted. "I was hurt and disappointed -- but the votes had been counted and Donald Trump had won," the former first lady wrote in a post on her Instagram account. "My husband and I instructed our staffs to do what George and Laura Bush had done for