Having read the journal through, I would love to see a psycologist's diagnosis of those ramblings. They sound like a high school freshman who imagines himself a writer. There are some revealing lines in there.
Notice no mention of the other crewmen, by name. Just little people filling in his drama. Also, what's with the second person language? You this, You that. No "I" there. But we all know that, that there is not there there in Kerry.