Draco and Harry have a rather rough past but with wars come changes. Some are definitely bad but some are really good and that is what's important. We wouldn't fight for the bad times to get worse. We fight for good.
Harry and Draco are starting to become their own person and grow up. And they also realise their feeling for their significant other. They face a lot of surprises and death but they are willing to die to let their significant other survive. They discover secrets about themselves that they didn't know about before and have to uncover mysteries and overcome challenges.