In practicing this section, I have found that it is good practice to attempt to sing each phrase as it occurs. The melody line is very vocal in nature and when sung, can give you a much more clear understanding of how to phrase it. Again, Marco's idiosyncratic approach with the subtle nuances really make the lines speak to the listener.
As a consequence, it may be necessary to allocate some extra spare time to really hone in on those subtleties.