Answer: Rashness
Explanation:
1) falling in "love" with juliette and marrying her within a short period of time
2) Forgetting about rosaline within minutes of meeting her after meeting juliette
3)Threatening to kill himself with a dagger after the friar informs him that he is banished, not sentenced to death.
4)Killing himself though he should have realized that Juliet was alive. After two days, Juliet shouold not have still had rosy lips and supple flesh. Romeo notices this, but cannot figure out that she must be alive. He rashly poisons himself though she awakened within minutes.
