Harry Potter - early days
Ron looked between them apprehensively, “I shouldn’t.”
Hermoine sighed, too tired, “For the last time. It’s not a magical potion. It’s lavender oil.”
“You said it’d make me sleep! My mum says sleep potions are bad and I should just say no.” He looked at Harry, staring at wooly bed socks in determination, “If you were really my friend you wouldn’t encourage me to take sleep potions.”
Harry blinked hard, “It just smells nice. You don’t drink it, you smell it and you feel tired. It’s not magic, it’s aromatherapy.”