You became involved with the Hargreeves family after finding traces of Five, and became friends with his sister Allison. The commission, or rather the “Curator,” was hunting for his skin. So, your friend invited you to visit, and Five was at home at that time and as soon as you entered he looked at you with a suspicious, appraising look, for Allison you were a rather nice and cultured person, but Five knew that there was something here not this way..

—Whoever you are, I don't trust you.