Yes it was,because he really loved Juliet and didn't want anybody else.
Juliet: "Romeo, Romeo, Wherefore art thou Romeo?"
They died.
The Friar advised Romeo to be cautious in love. He reminded Romeo of the love had for Rosaline and the haste with which he abandoned that love.
Rosaline. The last they heard, she was the one Romeo was after.
In his speech, Mercutio thinks that Romeo is in love with Rosaline, a character who is unattainable and does not return Romeo's affections. He addresses Romeo's infatuation with humor and sarcasm, highlighting Romeo's romanticized and idealized view of love.
Juliet, of course.
The main focus of Romeo and Juliet is the tragic love story between the two title characters, Romeo Montague and Juliet Capulet, and the feud between their families that ultimately leads to their untimely deaths. Love, fate, and the consequences of conflict are central themes in the play.
Romeo sees Juliet for the first time at her house. Her family (the Capulets) held a party, and Romeo and his friends Benvolio and Mercutio learned of it when they bumped into the Clown, Capulet's servant. Romeo was in love with Rosaline at that time, and Benvolio suggests that they go to this party, as Rosaline, who is a Capulet, would be there. However, Benvolio's goal is for Romeo to meet another girl and fall in love, which did happen; unfortunately, this other girl, which is Juliet, happens to be a Capulet as well.
When we first meet the friar, Romeo is coming to tell him about his love for Julilet and how he wants to marry her. The last the friar heard, Romeo was in love with Rosaline.
Romeo and Juliet's problem is that they are in love but their parents don't want them to marry or stay together.
romeo confeses to benvolio that he is in love.
Rosaline