It was impossible for Hermione to think about anything other than her bizarre interaction with Gemma. After Rodolphus left the house she was alone for the rest of the day and night. Her host had more important business to attend to in London than staying behind to make sure his guest didn't get bored. She wanted to know what sort of business he had, but knew he likely wouldn't tell her the truth if she asked. Very few bothered those days.