If you are speaking of Romeo and Juliet the motif for the balcony scene love, they love each other, it is also curiosity , Juliet doesn't know who Romeo really is.
i hope that this helps <span />
Answer:
It allows him to move further on and figure out why things happened the way they did. And allows him to heal because it takes the stress and gets him out of the rut, that is caused by not forgiving himself.