"What did you do with your day off, Skulduggery?"
"Well first I cleaned the house then I went for a walk after that I went to the city center to waste time. I found a new case to entertain me, I solved it, got bored and came here. You?"
"Computer. Drawing."
What did I do with my day off of school? The clue's in the last line.
I HAVE NO LIFE.