Dumbledore watched her fly away, and as her silvery glow faded he turned back to Snape, and his eyes were full of tears. “After all this time?” “Always,” said Snape. Rest in peace ...

Although we know he wasn't always this way, Snape seemed to have grown into the position quite comfortably by Harry's first year. His father was a muggle. Snape was a half-blood, born to a Muggle ...