She just knows that he’s been the last with Boone, that he gave him his own blood, that whatever still remains of Boone which isn’t his clothes is in Jack, in the hands that were the last to touch him and on the clothes he was wearing when he died, the same he’s wearing now.

Beautiful. There's just a lot of great detail you put in here, very evocative. You're right to say it feels very dark, but it also feels true to the characters and I wouldn't have it any other way.