Jonah sneeking some chocolate

So we were at Aunt Kate and Uncle J's house the other weekend. I put Jonah down in a room to take his nap. I would walk by every once in a while to check that he was ok. So I walked by and peeked in. I noticed that he was sitting up and just hanging out. So I walk away. Then I thought, "That's so weird that he didn't even react to me when I poked my head in." So I went back to take a closer look. Here is what I found: