Romeo and Juliet Romeo and Juliet is a tragedy written by William Shakespeare about two star-crossed lovers who get married despite their families growing feud. This feud, along with many other factors, causes both of them to kill themselves in the end. Romeo and Juliet's impulsive decisions contributed to their death, but the main factor that leads to the outcome of this story was society. Most of Romeo and Juliet's decisions were impulsive, such as when they got married and when the killed themselves. During the time this story was written, no one was able to explain why they made these choices. Scientists now know that the adolescent brain is still growing, and without parental guidance, teenagers tend to make more impulsive decisions.