"They might last longer, but I think I'd get a headache if I had to sit in front of them." She doesn't even know what they're burning, aside from wax. Is it really good to be breathing all of that in? She wouldn't know, but they are just candles.

Still, candles are useful. "Do you have any of those others still? The ones you didn't like?"

Her house doesn't have electricity yet either, so she's been going through alternative light sources. If she needs to, she can make larger candles from several smaller ones. She's done things like conserve wax in the past, making her own crappy candles when she needed to.