This continued and Hermione botched her potion so badly that Professor Slughorn suggested she see Madame Pomfrey as "It appears you’ve taken ill, Ms. Granger. You’re flushed and appear a bit peaky." Hermione had blushed furiously at the real reason her potion hadn’t been up to snuff– she’d simply not paid enough attention. Hermione Granger ruined a potion over carnal desire. 