"Alive, in triumph! And Mercutio slain! Away to heaven, respective lenity , and fire-eyed fury be my conduct now! Now, Tybalt, take the "villain" back again that late thou gav'st me; for Mercutio's soul is but a little way above our heads, staying for thine to keep him company. Either thou, or I, or both, must go with him."
"And for that offence immediately we do exile him hence. I have an interest in your hate's proceeding, my blood for your rude brawls doth lie a-bleeding; but I'll amerce you with so strong a fine that you shall all repent the loss of mine. I will be deaf to pleading and excuses; Nor tears nor prayers shall purchase out abuses; Therefore use none."
Romeo will be banished forever
"Ancient damnation! O most wicked fiend! Is it more sin to wish me thus forsworn, or to dispraise my lord with that same tongue which she hath prais'd him with above compare so many thousand times? Go, counselor; thou and my bosom henceforth shall be twain. I'll to the friar, to know his remedy; if all else fail, myself have power to die."
Since Romeo was married to Juliet, he wanted to maintainpeace with her cousins one of them being Tybalt. However Mercutio had other plans when Tybalt came around and tried to be fight Romeo. Even though Romeo tried to be peaceful, Tybalt persisted on fighting Mercutio and killing him. Upon his best friend's death, romeo let his rage take hold of him and fought Tybalt, claiming that he must pay for Mercutio's death.
External Conflict: Man vs Man pg 168 Act 3, Scene 1
Romeo ran away from the scene after he killed Tybalt. Prince Escalus, Montague, and Lady Capulet arrived at the scene. Benvolio was questioned over what happened. Lady Capulet blames Romeo for Tybalt's death and tries to defend him when benvolio reveals that he started the fight and Romeo was merely avenging his friend. Montague tried to defend Romeo by saying that he only did what the law would have done. The prince decides to exile Romeo, instead of killing him. He's banishe from Verona forever and will be killed immediately if seen here.
External Conflict: Man vs. Society pg 172 Act 3, Scene 1
When the nurse leaves the room after "consoling" Juliet and suggesting that she marry Paris, Juliet curses the woman and decides to herself that she will go to Friar Lawrence for advice.
Internal Conflict: Man vs Self pg 220 Act 3, Scene 5