it's not designed for you to move easily around. how do you deal with all these things. >> we said focus is one of the first words i said. >> do astronauts lack the fear gene. >> panic is not going to help you. what you do, you have to do one thing at a time. focus in, the most important thing right now in the world for me is to turn this bolt or move this piece of equipment over here. i'm not going to think about what's going on at home or my kids geometry test next week. i'm focusing in on what i'm going to do. the most important thing is what you're doing now. it's not so much fear but you know that it's risky. what these guys will do tomorrow and the next couple days, is very risky business. it's dangerous. they take the precautions to make sure their equipment works well. they'll work together as a team. you have your ground support team to support you. it will be a great experience but at the same time you have to keep your focus. >> you can't rush it. it's all deliberate, some of it's small, time consuming,