And who doesn't have opinions about Narnia? Good or bad or otherwise? I always found myself disconcerted by stories in which the characters fall into the rabbit hole and then return, having learned their lesson and become the better for it. And then they pretend that they hadn't been gone but the lesson is there to see in their behavior. I thought you hit the nail on the head that the Pevensies age (but don't fall in love or have sex) and then are made young again with their memories intact. How very, very odd that was.