हैरी पॉटर का हरमाइन ग्रेंजर आपके मांस की छड़ी से खेलना चाहता है

Casting spells and mixing potions is way easier if you are sexually satisfied. Hermione, being the nerd of the wizardry world knows this fully, which is why she lets you poke her boiling cauldron with your meaty spoon from time to time.