Sowing Seeds

Slytherins don't 'make friends'. They leave that sort of nonsense to Hufflepuffs and Gryffindors. Slytherins make allies. They trade favors. They cultivate relationships. Evan Rosier decides that perhaps the half-blood Snape is worth cultivating. No couples. WARNING: Mention of child abuse, verbal Muggle bashing, Slytherin superiority complex.