Please specify which lines you are referring to.
Juliet has told her father that Friar Lawrence told her to apologise to her father and to agree to marry Paris. Capulet praises the Friar, thinking that the Friar is helping Capulet's marriage plans for Juliet, when in fact the apology is part of the Friar's plan to frustrate Capulet's plans.
Because Friar Laurence wants to be the one who ended the fued between the Capulets and the Montagues. And wants everyone to know he did a big part in it to end it, and wants everyone to praise him.
Romeo proposes to Friar Laurence that he and Juliet be married in secret, without the knowledge of their feuding families. Romeo seeks the Friar's help in marrying them to bring peace between the Capulets and Montagues.
Friar Laurence realizes that his plan to fake Juliet's death has gone wrong, leading to tragic consequences. He decides to be honest and take responsibility for his role in the situation, revealing the truth to both the Capulets and Montagues.
Because of the fact that it wasn't a crime uniting two lovers just to bring peace to the two different families and that both Montagues and Capulets realised it was their fault, Friar Laurence was cleared of blame.
Friar Laurence insists that the Capulets immediately bury Juliet to avoid suspicion since her apparent death was sudden and there might be questions raised if her body remained unburied. It is also a way to maintain peace between the feuding families.
Friar Laurence was created in 1597.
the deaths of romeo and juliet brought the 2 feuding families together
In Act IV Scene 2 Capulet says, "Now, afore God! this reverend holy friar, Our whole city is much bound to him." He says this in response to Juliet's lie that Friar Laurence has advised her to obey her father and marry Paris. The audience knows that he has not advised Juliet to do this at all and does not deserve the praise Capulet gives him. If Capulet knew the true state of affairs, he would not be praising the Friar. Hence it is dramatic irony.
Friar Laurence expresses fears about the consequences of rushing Romeo and Juliet's marriage, the potential conflicts that could arise between the Capulets and Montagues, and the fleeting nature of young love. He is worried that their hasty decision could lead to tragedy.
Friar Laurence's objective in his plan to unite Romeo and Juliet in marriage is to end the feud between their families, the Montagues and Capulets, and bring peace to Verona. He believes that their love could be the key to reconciliation and hopes that their union will bring about a positive change in their society.
Romeo asks friar Laurence to marry him and Juliet in secret