Yes, that is the ONE moment of cowardice I have repeatedly alluded to, sorry if I was being too discrete while trying not to directly spoil the plot. Let's pretend like he didn't persevere, even after remembering, and save two planets in the process. Now where are all the other book moments that make him a proper coward? Or is one weak moment when faced with death all it takes for you? He's just irredeemably a coward because he couldn't force himself to elect to die with 4.5 hours notice?