[Karkat breathes out a little sigh, and his expression eases.]

You know bilateral symmetry? Line stuff up along this central line.

[He motions, indicating an imaginary split down the room. The couch, of course, is centered on it at one end.]

If there's not a match for something, don't just put it on one side. And if it won't fit in the room otherwise, captchalogue it, and we can put it back when the week's over.