Apathetic Occlumency teacher twisting your mind out of shape? Never fear, there's a charming young girl in the year below to twist it back in the opposite direction. Just hope it doesn't snap.
This is why you keep your muses under control, kids. Harry gets stuck in the past, and learns an ancient and noble art. Unabashedly fluffy and pointless, but in a good way. Now with added present.