What part of romeos seemingly happy dream foreshadows the tragic events to come?

In Romeo and Juliet, Romeo's seemingly happy dream foreshadows the tragic events to come through the warning given by Friar Laurence. Romeo dreams of Juliet's death and Friar Laurence interprets it as a premonition of impending doom. He urges Romeo to be cautious and moderate his love, emphasizing the potential for disaster if he becomes too reckless. This foreshadowing serves as a hint to the audience that despite the couple's deep affection for each other, their relationship will likely end in tragedy.