I See What You Meme

I was sitting in a doctor's office waiting room a few weeks ago. While I waited, another patient came out into the reception area to make her next appointment. The receptionist offered a few dates, including one on a Saturday. The woman (I have no idea who she was; let's call her Maude) originally said yes to the Saturday date. Then the following conversation ensued:  Maude: Wait! Is that Mother's Day weekend?  Receptionist: Hmm. You know what? I'm not sure. When is Mother's Day?  Maude: You don't know?  Receptionist: (nervous laugh) Well, I guess I should know this.... Maude: Are you a mother?  Receptionist: No.  Maude: But...you have a mother, right? You should know these things!  At this point, I was incensed with "Maude". This woman knew nothing about the receptionist. She could have recently lost a child. She could have been struggling with infertility. She could have had a mother who recently died. Or she could have a strained or just very compli