The other day, I walked into the living room and found two little girls taking apart my couch. “Oh no. Why?” I flailed my hands in the air. “Why are you doing this right now?” Clara was standing in front of the couch and was trying to balance the seat cushions up in front of it like a wall. On the opposite side of that wall, I saw Lydia’s head quickly disappear from view as she shrunk into the filthy swamps of the decade-old second-hand sofa. I crossed the room and gently pulled Clara back out of arms reach of whatever it was they were constructing and then peered over the edge into the dirty guts of our living room couch. Lydia smiled up…