Because Romeo murdered Tybalt after Tybalt killed Mercutio. It was untimely because it was by an unnatural cause.
Romeo fights Tybalt in Act 3 of William Shakespeare's play "Romeo and Juliet." Tybalt is Juliet's cousin and a skilled swordsman, leading to a tragic confrontation that results in Tybalt's death.
because romeo killed Tybalt and therefore he is banished
Juliet cares more about Romeo's banishment because it means she has lost her husband and her chance at a future with him. Tybalt's death was a tragedy, but Romeo's banishment directly affects Juliet's life and happiness. Juliet's love for Romeo overrides her grief for Tybalt.
The nurse has gone to fetch the rope ladder which will allow Romeo to climb up to Juliet's balcony when she hears of Tybalt's death. She has it with her when she arrives.
He hangs around with Benvolio, tries to provoke Tybalt into a fight, then actually does get into a fight with Tybalt when Romeo refuses to fight. And in that fight Mercutio dies, and that's the end of him.
Do your own English homework. JK. Juliet at first blames Romeo for his part in Tybalt's death, but then she is appalled at herself for blaming him. Nevertheless, she is distraught over Romeo's banishment from Verona.
Juliet does not know about all of those things we just saw happen in Act 3 Scene 1: the fight between Tybalt and Mercutio, the fight between Tybalt and Romeo, Tybalt's death, and Romeo's banishment.
The nurse's description of the fight and Tybalt's death leads Juliet to believe that Romeo has been killed. She interprets the news of Tybalt's death as a result of a confrontation with Romeo, and this misunderstanding causes her to despair.
He kills tybalt, because tybalt killed mercutio. Romeo is then banned from Verona instead of death penalty because Mercutio was related to the prince.
The nurse arranged the meeting between Romeo and Juliet after Tybalt's death to allow them to say goodbye before Romeo was banished from Verona. She also wanted to update Juliet on Romeo's condition and to try to comfort her in her grief.
It incites Romeo into killing Tybalt. The death of Tybalt not only get Romeo banished but makes it very unlikely that Lady Capulet will ever accept his marriage to Juliet. She would certainly have Romeo killed if she knew (she is planning to kill him anyway).
[You meant ''Who is Tybalt?''] Tybalt was Juliet's cousin. He is a Capulet. He kills Mercutio and soon dies by Romeo. Then Juliet gets mad at Romeo for killing her cousin (The Nurse tells Juliet that Romeo killed Tybalt). Soon Juliet forgives him because she cares more about Romeo banish (He got banish because he killed Tybalt, Friar Lawrence gives him this news) than Tybalt's death.