I think people that have fear that, 'Oh if I have a kid I won't be able to do this and I won't be able to do that.' It's kind of the opposite. It really gives you energy. It makes people better.
“One of the most important things about the geology on the moon is your descriptions of what you see, comparing them to things that you've seen on Earth so that the geologists and the scientists on the ground would know what you're talking about; and then take pictures of them.”