[He'd only just begun to grasp the existence of other worlds, and he didn't know enough about his own to really tell them apart unless something existed in them that he was certain was not in his own. He tended to assume everyone from Earth was from the same Earth, unless there was a blatant contradiction somewhere.]
Yes. Don't ask how, but I believe I will still be there to see it. Tell me what you call your home and how you define your time. I cannot bring more tangible aid, but some of the things I learned from my own life among the earliest men may be of use to your world. I wish to at least try to help.
[Yes, he just admitted he's ancient. And immortal. Actually, he wouldn't be there for it even if their worlds were the same, because he is, in fact, going to die, but there's no way for him to know that.]
[Know what else he doesn't know about? The different calendars. It doesn't matter, because either way, he sees it as "a very long time away" - he doesn't know what year it is at home anyway and he estimates that's about a thousand years away, give or take a few centuries. He probably wouldn't be able to wrap his head around the scope of the actual amount of years between their times.]
I will make a note to myself when I find a writing implement.
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Yes. Don't ask how, but I believe I will still be there to see it. Tell me what you call your home and how you define your time. I cannot bring more tangible aid, but some of the things I learned from my own life among the earliest men may be of use to your world. I wish to at least try to help.
[Yes, he just admitted he's ancient. And immortal. Actually, he wouldn't be there for it even if their worlds were the same, because he is, in fact, going to die, but there's no way for him to know that.]
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[She's not sure how he thinks he'll be able to help but she's not one to call someone else crazy. She's gotten enough of that herself here.]
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I will make a note to myself when I find a writing implement.
[Which he will, the next day.]