Pretty much! There's a certain amount of... you've played video games, right? It's like a pool of magic. It's only so much, and you can regain your strength over time... but the more properties you give an illusion, the more magic it takes.

[He puts a hand on her shoulder and smiles.]

It doesn't stay forever, but it's nice to just be able to make things that I want. ... Stuff like food doesn't really feed you though, and same with drink.