I decided to throw out the mattress. He is so unshakable, I have to say... 9 floors down (7 passed by the elevator, 2 more on foot)... I guessed, gently say. I slowed in the housephone area, fighting with the door and the mattress at the same time. A neighbor approaches the entrance, looks at me and the matrix with affection and says, “What, have you been expelled?”?" I was just broken up...