Gabriel made an executive decision and decided it was time for them to go home. Miss Mitchell was clearly unwell, and The Vestibule was no place for her, even under normal circumstances. He knew that at a certain point in the evening the men would become drunk and grabby and the women would become drunk and horny. He didn't want his baby sister and the beautiful and virginal Miss Mitchell exposed to either type of behavior. So he settled his tab and asked Ethan to provide them with two taxis, with the full intention of paying the taxi driver for Miss Mitchell's cab and instructing him to wait outside her residence to see that she entered safety.