The Friar had it planned to advise Romeo by a note, but the note never got through which led to Romeo killing himself.
"Wisely and slow, he stumbles who runs fast."
He tells him to leave Verona with Benvolio
Romeo's advisor is Friar Lawrence and Juliet's is the nurse. However, when the nurse counsels her to commit bigamy, she goes to Friar Lawrence for help. The friar proves to be a broken reed, taking inadequate steps to advise Romeo of his plan and abandoning Juliet in the tomb which allows her to commit suicide.
the friar... the friar...
Friar Laurence is Romeo's confidant, and the play suggests Romeo has known him since he was very young as it implies that the Friar is a religious leader. Friar Laurence is to Romeo; what the nurse is to Juliet.
He advises her to take a potion which will make her seem to be dead. Then when she wakes up in her tomb, Romeo will come to rescue her.
Friar Lawrence married Romeo and Juliet in his cell.
Romeo asks friar Laurence to marry him and Juliet in secret
Friar Lawrence entrusts Friar John with the important letter to Romeo, instructing him to deliver it to Romeo in Mantua. However, Friar John is unable to get the letter to Romeo in time due to being quarantined.
Friar Laurence married off Romeo and Juliet.
Friar Laurence is the friar who marries Romeo and Juliet.
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.