He didn't owe anyone explanations. His sister had woken him up. Had thrust him into his life again. Even if the way he chose to use that life wasn't what she would have wanted, the choice was no one's but his own. (Yuletide gift for FaustianAspirant. SPOILERS for the end of Tokyo Babylon.)
Most schools have a gymnasium or an auditorium named for somebody or other who once footed a bill. Not Hogwarts. In this one respect, Severus Snape dearly wishes Hogwarts were more like other schools. (Book 6 crack fic, belated Christmas gift for putsoneinmind. MILD warnings for underage, due to student crushes on a teacher and brief, not-fully-shippy kissing.)