Then, just as swiftly as she barreled in, she scurries off to go find her friend Hayden, leaving Kardashian and West in peace once more. The whole time, all I can think about is how many scuffs and stains a child with that much energy must leave all over the pristinely minimalist house. There must be a closet where they keep all their off-brand toys and aesthetically unappealing necessities — maybe that's where the "bumpy stairs" are hiding.