Adrien paused in thought. "That'd be cold water from the sink... or maybe warm from the shower. I'd still use the sink first, though...".

"Then cold water it is". Val picked an empty cup from the shelf, filled it, and passed it to Adrien. "Like this?".

Adrien put a fingertip into the water, and shuddered. "Brr! Yeah, just like that". He wiped his finger on his pants. "What about the coffee? I don't drink it very often...".

"...But, when you do, how would you have it? How much sugar would you put in it?".

"One teaspoon", Adrien said.

Val moved his hands again, and produced a cup of hot coffee, to which he added the sugar. He looked at the book of recipe interpretations again. "You should mix the two, then cast a Light spell, and stir together for a while. As you work on the potion, your mind should be clear, just as if you wanted to cast a spell", Val explained, "and you should try to imbue the feeling of being wide awake within the potion. So, take a few deep breaths...".