As Romeo enters mercutio and benvolio are discussing longing for rosaline challenge to what change in behavior does comment on?

When Romeo enters, Mercutio and Benvolio are discussing his infatuation with Rosaline and challenging him to change his behavior. Romeo's behavior has changed dramatically since he met Rosaline. He has become lovesick and melancholic, and he has lost interest in his friends and his family. He is so preoccupied with Rosaline that he is unable to focus on anything else.

Mercutio and Benvolio are worried about Romeo's change in behavior. They know that he is not the same happy-go-lucky person he used to be. They are also concerned that his love for Rosaline is unrequited, and that he will be heartbroken if she does not return his feelings.

They try to convince Romeo to forget about Rosaline and move on with his life. They tell him that there are other women in the world who are just as beautiful and intelligent as Rosaline. They also tell him that he should focus on his friendships and his family, who love and care for him.

Romeo is resistant to their advice. He is still convinced that Rosaline is the one true love of his life, and he cannot imagine being with anyone else. He is also ashamed of his feelings for Rosaline, and he does not want anyone else to know about them.

Mercutio and Benvolio are frustrated by Romeo's attitude, but they do not give up on him. They continue to try to convince him to change his behavior, and they hope that he will eventually listen to them.