[ This shuts Ket up for a good few moments. His stare isn't so much blank now as it is thoughtful. Or trying to be thoughtful, anyway. It's like he's thinking really, really hard but the thought he's trying to grasp is floating just a little out of reach. ]

But... hurt's a part of living. [ Len told him that. ]

When bad things happen to your loved ones, you feel hurt... and it's the same the other way. It shows that you care. Why would you pretend not to care? Even if you die, wouldn't your loved ones feel better knowing that you did care? Wouldn't you feel better knowing that you did your best for them?