Illusions are the made up things, I don't think spells for illusions would be the made up part.

[But hey what does she know. Regardless.] ...I don't have anything that can break magic... ...I practiced lots of things, but not that, [She adds.]

...You're the one who knows him most, so... ...I thought if you thought something was wrong, then I would know I have to get more help. Like...the doctor, or someone, [she adds- she means Herbert, naturally, but anyway.]