No one could ever say that James shied away from the details, and Sirius didn't mind him going over everything for Regulus and Remus, considering what he did eventually hope for his brother one day, it was just interesting to hear everything they had done up to this point in a list like that - it was all real now, but hearing about it ... he didn't know how to explain it but it made the whole experience have a greater sense of solidity. And it wasn't just imagining a woman in America who was carrying their child, it was facts, and he liked that.
"It'll still be a little while before we know if there is more than one baby, which is a possibility with this sort of thing, or the sex of the baby or anything like that." Sirius added.