toilets, they also shared two family-style dinners with the russian could say know nauts on two friday nights, which is tradition up at the international space station. he says that at no point did the situation in ukraine ever come up. one other thing that i thought was really interesting about the toilet story is he says that up at the space station you are divided into two categories, you either are a user of the toilet or an operator of the toilet. larry says he fell on the user category while the professional nasa astronauts fell in the operator category meaning they knew how to fix it and they did quickly. toilets break up on space just like on earth, but he was so impressed by how quickly they could fix it and also by how much the nasa professional astronauts helped with their research mission. this was a massive research mission, more than 25 experiments. larry spent more than 100 hours training for this mission and yet he still described it as a very rigorous and challenging