"Excellent. I wish you luck then, and let me know if I can help. If all else fails, I can teach you how to turn your misery ice cream into a really good mud monster." Unless Luna missed her guess, there wouldn't be any need of mud monsters though.
Her expression turned rather sheepish as she moved to a new subject. "Now, perhaps you can give me some healthy encouragement to find some refresher Charms books instead of heading to the erotica section. I've been having difficulty with even the simplest charms, and I'm not sure why. They've never been one of my strengths, but I did manage to pull a NEWT in the subject after all. Shortened durations I'm used to with all of my spells, and I can't hold too many charms on one thing at once, but I've never scalded with a Warming Charm or sent an Accio flying three rooms over before." Her forehead wrinkled. "I've stopped using magic to change the twins and such for fear of what might happen, but it takes so much longer. I don't know how Muggle parents manage."