Why does friar lawrence agree to marry romeo and juliet

Romeo goes and asks Friar Laurence to marry him and Juliet. At first Friar Laurence is confused to why Romeo wants to marry Juliet. He thinks Romeo is still in love with Rosaline. He questions Romeo about this, but Romeo convinces the friar that he and Juliet are truly in love, so the friar agrees to marry them.

That's awesome dude!