What did Vance advise Zelenskyy to do during the meeting with Trump?

During the meeting with Trump, Vance advised Zelenskyy to "behave" as a means of encouraging stability and maintaining diplomatic relations. This advice likely reflected the importance of demonstrating a cooperative and respectful demeanor in the context of high-stakes negotiations and political interactions. Vance's guidance emphasized the need for Zelenskyy to engage in a way that would foster goodwill and keep the channels of communication open, which is crucial in international relations, especially when dealing with a powerful ally. Such behavior would be seen as vital for maintaining a favorable position and ensuring that Ukraine's interests are effectively represented during discussions with the United States.