She didn't need to explain the picture. To know Jack is to know that this is his mind at work. I haven't asked him why he did this, and I won't. I prefer to just consider the possibilities.....
- Lazziness? -- obviously not. Way more work to make the note
- Sarcasm? -- doubtful. Not sure he understands the concept, yet
- Helpfulness? -- Whitney says no!
- Hygeine? -- strong possibility. Dirty underwear devastates him