Reasons to "think about it:"
- Kidnapped at age six
- Starved as part of training
- Physically assaulted also as part of training
- Childhood trauma
- Seen his friends die in front of him
- Remember the whole ordeal with Cortana's Rampancy in Halo 4?
- Remember the whole ordeal with the Flood?
- "More machine than man" conundrum
- "Moral compass" conundrum
- Do you know how many of his own bones he's broken?
- The general horrors of war
