LII. Wormwood

"Add the wormwood," Marlene read from the blackboard. "And then stir."

Sirius did.

"Now the phial of leech juice."

"Hang on, I can't find that."

"It was right there," Marlene said, refusing to look in his direction. You hate him. You hate him. You hate him. You love him.

"Maybe I put it in my pocket by mistake." Sirius pulled out a tiny flask. "Ah, here it is. You add it, McKinnon."

"Okay." She took the bottle and was about to pour it in when she noticed the liquid inside wasn't leech juice.

It was pink

And then everything clicked.