Even though he called Charley 'the only friend I got', he's still entertaining the delusion that through death he will reach his mythologised Dave Singleman dream. Maybe the fact he knows deep down how distant the person he wants to be is from the person he is (the recognition that Charely's his only friend suggests he knows) is the root of his problems - can't self-actualise. If he had realistic dreams (a job, a family, a house) he may have already reached them.)