[Kirby glances up briefly at the ongoing discussion, but she cares much more about Annie. She finishes off her lullaby with little trill, and gently brings Annie close so she can hug her.]

Egon- Egon. The other you is thirty five. A whole decade younger- and I'm thirty six- you're nine years older than me-

[Venkman looks like he's about to have a fucking stroke.]

And it's not- the years between our timelines or whatever, they don't explain this, it was only 1987 for us so that's only three years...