"Oh, I don't know. Maybe because you're still wearing last night's clothes," he said, sneering. "Or maybe because I can smell your hangover from here. I suggest a shower to start." Draco put the glass down on the desk and stepped forward, not letting a little thing like height disadvantage bother him. "I'm not everyone else, and I personally don't give a fuck about your health. You are my employee and for that reason, you will look your best, you will be at your most polite and you will make sure that you're always sober. I can't afford you talking too much."
He watched as Ron drank his whiskey and then went for the second. Draco wasn't the type to waste words with Gryffindors who had no interest in listening. He took his wand out and made the bottle explode, the whiskey spilling everywhere. He cast a cleaning spell right after, because it wouldn't do to have rooms smell like a brewery. "You can take one of my bottles in exchange. Try champagne. You can celebrate with that woman you call 'girlfriend'. Now, let's see if we can teach you what you need to."