Some intro notes have a nasty resonance to them that pops out unattractively. The closer, more intimate vocal sounds very good. Once he starts screaming and backs away from the mic, the vocal is very inconsistent in volume/proximity. Here...
"into" at 1:22, 1:25, 1:32
"not" at 1:31
"crawl into" at 1:35.... etc
These all fade out oddly. Really, probably a singer issue and his way of working the mic, but the track kinda suffers from it. If you have more takes, I'd look at comping that chorus section.