The Friar leaves the tomb out of fear of being caught and blamed for the deaths of Romeo and Juliet. He knows that his involvement in their secret marriage and plan to fake Juliet's death could lead to serious consequences for him. Additionally, he wants to avoid the repercussions of being associated with the tragic events that have unfolded.
Juliet refused to go.
Friar Laurence finds Romeo, who believes Juliet is dead, in the Capulet tomb. Friar Laurence arrives to find Romeo devastated over Juliet's apparent death and helps Romeo take action to be with her.
because he thinks he hears the capulets coming from outside and wants to escape before they find him
romeo
Because he heared the noises from outside of the tomb.
The friar leaves Juliet alone in the tomb because he hears someone approaching and fears being caught. He hopes that Juliet will wake up soon, but he ultimately leaves her to avoid being implicated in the tragedy.
To break into Capulet's tomb
Balthazar is unable to enter the tomb with the Friar because he is not allowed to accompany him due to religious beliefs or customs, or because the rules of the tomb or site do not permit animals. Additionally, the tomb may be too confined or dangerous for an animal to enter.
The Watch. Romeo finds her and thinks she is dead and kills himself. Then Juliet awakes and finds him dead. The Friar returns and tries to convince her to leave the tomb with him but she refuses. The Friar hears the Watch coming and flees the tomb. Juliet stabs herself. The Watch enters the tomb and find Paris, Romeo and Juliet all dead. The Prince, the Capulets, and Lord Montague arrive. Balthasar and the Friar explain what has happened and they all make up.
Love.
Because he knows Juliet is about to wake up and Romeo will not be there, since Friar John was not able to deliver his message.
Friar Lawrence tells Juliet that Romeo is dead and urges her to leave with him to a convent, where she can live in peace and mourn in safety. He reassures her that he will help her and that things will eventually get better.