In the happy scenes there were really fun times. Sean would say really funny stuff because he likes to improv. I would want to laugh, but you are not allowed to do that during the take.
“The first two missions have some test objectives, some new capabilities that we're going to try to develop on orbit to possibly be used on later flights.”
“If you were a medieval scholar reading a book, you knew that there was a reasonable likelihood you'd never see that particular text again, and so a high premium was placed on remembering what you read. You couldn't just pull a book off the shelf to consult it for a quote or an idea.”