"Trouble? Oh no, not much trouble, Harry," Luna assured her friend with a soft smile. "They still sometimes move my belongings around, I think, but it's very useful for me. I'm very good and accurate at levitation spells." She gave Harry a reassuring look.
"I think those things are silly though, blood purity and all. I'm a pureblood, but it doesn't matter much to me." Luna shrugged. "I do what I want to do." And that was probably as honest as Luna had ever been.