What if the death by childbirth was a lie? And that the mother was actually Lily? Maybe James had used a potion on Lilly? And then the children were born.... because there were two. One happened to be from James and the other from Shape, but James wasn't there with the birth and Snape found out about the child? So he took the baby and made everyone believe there was only Harry?
And so it made that Lilly truly had loved Shape?
And so it made that Lilly truly had loved Shape?