How Did Romeo And Juliet Change

In " The tragedy of Romeo and Juliet " by William Shakespeare, Romeo changes from beginning to end just by two ladies and changing how he acts toward Juliet's cousin. One way Romeo changed is first he was in love with Roseline. At the beginning he was in love, he was sad and weeping, constantly thinking about her but she didn't want to be with him because of her reasoning. Romeo's friends told him to go to a party with them and get his mind off her and move on from her find someone new because he shouldn't be wasting his time trying to be with someone who doesn't want him. Another way Romeo changed is he met Juliet and married her. He went to Capulet's house party not really into it and felt like he met the love of his life so he tried talking to her but kept getting interrupted. When the party was over he goes / sneaks to her balcony and talk and kiss before someone caught them because their families are enemies and their parents can't stand each other. The next day since they are so "in love " they had gotten married. The only knew each other for about 24 hours and felt that it was right to marry because she didn't want to marry someone else other than him.
Tybalt always had some type of problem with Romeo and now that he married Juliet he didn't really want to fight him because that's his wife cousin. When they fought, Tybalt was beating him until Romeo friend was killed by him and everything changed at that moment and that's when Romeo killed him which made him his murderer . Romeo had a lot of respect for him after that but he crossed the line when he killed his best friend so Romeo had no choice but to kill him because he killed someone close to him. He knew he shouldn't have but it was kind of the right the thing and kind of the wrong thing to