We know he's Sam's father, because the story names him Nathan Lane. Other than that, I believe Carol will have to fill in details with story parts.
I think, therefore, I get bananas.
When in doubt, think about time travel conundrums. You'll confuse yourself so you can forget what you were in doubt about.
What's the difference between ignorance, apathy, and ambivalence?
I don't know and I don't care one way or the other.
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