Being at the zoo with Tallulah is exactly like being at the zoo with a toddler. Her eyes light up when she sees a new animal, and she drags me by the hand from one viewing area to the next, desperate to share her joy with me.

I almost expect her to force me to buy her candy floss, but instead, she drinks water as I try to make her eat every snack I can find.

"Anyone would think you're trying to fatten me up," she giggles when I offer her a chocolate bar.

"A few extra ...