In her head, she had planned on this being when he would throw insults at her, but instead he ignored her. He was already standing with his satchel summoning things back in. In a panic, Hermione spotted his vial of Invigoration Draught and grabbed it, replacing it with her illusioned love potion under the guise of collecting her own things. Quickly, she summoned her own things and then grabbed the vial, quills, and notebook that was left and plopped them into his bag for him. "Sorry Malfoy. Really. Just realized I left my Potions essay in the library."