Inigo pauses. He considers lying, but.. what good would that do? If Dennis manages to stick around for a while, he'll have to experience it himself soon enough. No matter how much Inigo would prefer to protect others from that pain.

So when he speaks up, there's a hint of a wistful smile on his face.

"Yes. It's hard." It's the hardest thing on the train to him. Harder than any of the fighting on the missions. "It's slightly strange to be sitting here and talking to someone, knowing fully well that the other person could just be gone forever the next day."