 Well, I mean, I'll start by saying the genetic influence on intelligence is so complicated and involves so many genes that it definitely doesn't come from the mom or the dad. It comes from, I mean, the genetic component of it comes from both. But it's also incredibly informed by our environments and how we grow up and what we're exposed to. And it's really the combination of the two. I mean, the whole nature versus nurture argument to most people who study it, I think, has been put to rest. It's just both.