Everything but Blood

After his potion is sabotaged by Draco, Harry is assigned detention, when it all gets too much his glamour drops in Snape's presence revealing his abused, scar-ridden form to the hated professor. But despite Gryffindor beliefs, Snape does have a heart. Can the two find happiness and family? Of course, they will need some meddling, courtesy of Dumbledore. Severitus. De-aged!Harry