[he can understand that to a point, perhaps, and maybe that's what he fears also. Without a sufficient enough threat, who's to say that even he won't at some point relax and let his guard down, because he's been fighting his whole life for survival? Humanity had relaxed after 100 years of living within the perceived safety of the walls, and it was right when they'd become most complacent that they'd been vulnerable.]
[written]
[he can understand that to a point, perhaps, and maybe that's what he fears also. Without a sufficient enough threat, who's to say that even he won't at some point relax and let his guard down, because he's been fighting his whole life for survival? Humanity had relaxed after 100 years of living within the perceived safety of the walls, and it was right when they'd become most complacent that they'd been vulnerable.]