She's Madoka, and who Madoka is can certainly decide for sure that her brother is sweet. Tidus won't question it! But he does laugh, just a little, at her confusion about him and babies.

"I mean, they're around, but I've never been up and personal them them, you know?" How to explain... "The guy who watched me wasn't that chummy with the neighbours, and I didn't have a lot of family after my parents died. So..."

He waves his hands, a sort of dismissive gesture. Who was going to come round with kids onto a boat with nothing but a kid and a hard-faced man?

"It was just people my own age, or older. Wasn't really anything else to it."