"Partying is such sweet sorrow"

This quote by Robert Byrne is a play on words, as it combines two apparently opposite ideas. The phrase "sweet grief" is typically utilized to explain a bittersweet feeling, such as when biding farewell to an enjoyed one. In this case, the expression is utilized to explain the feeling of partying. Partying can be a time of pleasure and celebration, but it can also be a time of sadness and regret. The expression "sweet grief" is used to describe the clashing feelings that feature partying. It can be a time of delight and enjoyment, however it can also be a time of unhappiness and regret. The phrase "partying is such sweet grief" is a tip that while partying can be a lot of enjoyable, it can also be a time of sadness and regret.