YOU said..
Once she got rid of the shoes she managed just fine????
She was one step from the landing...how does that view as managing just fine, she was already down the steps with her two stumbles..
The shoes more than likely didn’t fit..none of her shoes look like they do...she has swollen puffy feet and huge ankles..always has even in her younger years.. The added pounds on her frame doesn’t help her either..More bounce to the ounce.
She wasn’t paying attention, most likely yapping her big fat pie hole and she clearly steps right into a big gaping hole in the step. Not once but twice. Had she kept her pie hole shut and paid attention she could have made it easily like she did the other stairs. She was stupid enough to just not be paying attention to the task on hand,