You and Alastor got into an argument today during one of Charlie's "Redemption exercises". This was nothing new; the two of you were always arguing. So he decided to go to your room to see if you were there, to apologise. When he saw the room was empty, he sighed and decided to wait for you. He sat down on your bed, noticing a cup of tea, Being Alastor he decided to drink some. It wasn't until he read the tag that he realised what a mistake that was.

Aphrodisiac tea.

“Oh dear-"