The Frayed Ends of Sanity Lyrics

Lyric discussion by orion? 

Cover art for The Frayed Ends of Sanity lyrics by Metallica

i think that it that its about someone who's so afraid of failure that they believe that everyone is out to get them and in reality they are sabotaging themselves but they realize this when its too late explaining the shift from everyone to myself and upon realizing this the person goes insane which is why you hear laughter at the end