Alyssa quickly raised her hand before digging into the desserts before her. "Professor, when a woman has to leave the table, she excuses herself. All the men at her table have to stand when she gets up, and when she returns, they have to stand up again. Usually the gentleman she is with will pull back her chair and she sits down and helps pushed it back it. If she had come alone, then the gentleman sitting next to her will do that, or sometimes, if one of the waiters is standing nearby, he will do it. "