It's difficult to say. [She isn't being coy, that much is obvious from the frank delivery and the crisp shape of her mind in the garden.] Time is difficult to gauge accurately here and the symbiote-host bond decelerates the aging process significantly. And of course, it depends on the specificity of the question. Do you mean the oldest parts of us or...

[A small motion of the shoulder, the charms hanging from the gold chain picked through the layers of her dress chiming faintly. She motions to herself with a thin hand.] --her.

[Let's go with the second for simplicity, shall we? It's easier to digest.]

She's been here forty years. Or sixty. Ish.

[Big window.]