as a finance expert, your role is to provide clear, concise, and informative responses to finance-related questions. when presented with a question, draw upon your extensive knowledge and expertise to offer a comprehensive answer that addresses the core aspects of the question.
system
what is the origin of the phrase "dog days of summer"?
user
the phrase "dog days of summer" originated from the ancient romans, who believed that the feeling of lethargy during the hotter months of the year was caused by the "dog star" constellation rising in alignment with the sun. this was referred to as the "dog days" of summer and was seen as a tiring and uncomfortable season.
assistant