Who says the following and why? . . [n]ow art thou what thou art, by art as well as by nature: for this drivelling love is like a great natural, that runs lolling up and down to hide his bauble in a hole. mercutio is celebrating the return of the "real" romeo and comparing love to a slobbering idiot. romeo is telling his friends that he is over rosaline ( nurse is telling romeo that although she thought paris was a better match, she feels that romeo is the one for juliet. friar laurence is commenting the strange behavior of young men in love.