I suppose you are asking about the conversation which Romeo and Juliet have in Act 3, Scene 5 after they wake up after their first night together. This is hardly "at first" after their wedding which takes place in the last scene of Act 2, about a day earlier. At the very beginning of this scene Juliet says, "It was the nightingale and not the lark which pierced the fearful hollow of thine ear."
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Paris asks Juliet's father for permission to marry Juliet. Romeo asked Juliet instead. (Actually she offered before he asked)
Tybalt is Juliet's first cousin, being the son of Mrs. Capulet's brother. By marrying Juliet, Tybalt then also becomes Romeo's cousin by marriage.
Romeo is the first of the two to speak.
Romeo.
The first character to mention the idea of marriage in "Romeo and Juliet" is Lady Capulet, who discusses the prospect of Juliet marrying Paris with her daughter.
juliet
Juliet reacts in a negative way, because she is secertively married to romeo. Paris is not an enemy of the Capulet's but romeo is
Juliet's Nurse knows about the marriage. She brings Juliet the message of when and where it will be, and later brings a rope ladder so that Romeo can climb to Juliet's balcony so that the lovers can spend their first night together. Juliet's Nurse is the only other person that knows about Juliet's marriage. The nurse the person that brings the letter that Romeo sends to Juliet.
Romeo and then Juliet...
Paris asks Juliet's father for permission to marry Juliet. Romeo asked Juliet instead. (Actually she offered before he asked)
Tybalt is Juliet's first cousin, being the son of Mrs. Capulet's brother. By marrying Juliet, Tybalt then also becomes Romeo's cousin by marriage.
Juliet claims that Romeo hears the morning lark singing when she wants to convince him that it is not yet dawn and he does not need to leave.
Romeo and Juliet first met in a feast at Capulet's house.
Romeo and Juliet first meet at the Capulet's party
romeo
romeo