I'd like to point out that Hermione stopped smiling 1 year before Harry and Ron did. She probably knew the danger long before them <--- I'd like to point out that Harry stopped smiling after year two and Hermoine smiled year three.
While some of us get depressed struggling to paint our nails a solid color, others create masterpieces fit for art galleries. Just have a look at these intricate Harry Potter-inspired nail art designs. What kind of sorcery is that?