Maybe you look approachable. She was probably tired and her back was aching so she needed a couple of minutes off her feet. I've had this happen several times in diners. It was fine with me. In a high end restaurant, it would be unacceptable.
I would have left it out of the report, figuring it was a sanity break for her.
"Let me offer you my definition of social justice: I keep what I earn and you keep what you earn. Do you disagree? Well then tell me how much of what I earn belongs to you - and why?” ~Walter Williams