This afternoon Caleb was playing in the bathtub for a few minutes before his bath. I was reading posts on the Piano World forum when he came running into the room. In all seriousness, he said, "Daddy, Daddy, guess what? I had five little rocks and I sat on one and it went up my butt." He was obviously worried about it. I explained to him that the rock couldn't have gone up his butt from just sitting on it. He wanted to know where it went, and I told him it probably went down the drain. He seemed to relax visibly after that.