Aren't you ashamed, you who walk backward along the whole path of existence, and blame me for walking backward along the path of the promenade?
It is the prerogative of wizards to be grumpy. It is not, however, the prerogative of freelance consultants who are late on their rent, so instead of saying something smart, I told the woman on the phone, "Yes, ma'am. How can I help you today?