Thse insights have been pulled from the individual experiences of astronauts and cosmonauts recorded in published first person accounts — journals, diaries, debriefs, and post-flight reflections.As this database includes the personal, subjective experiences from a diversity of flyers, they may sometimes contradict, but together they provide a more holistic, if messy, picture of life in space. To learn more about how these categories were developed, please see this related publication.
For a first time flyer, space sickness started after overzealous flying on the first day in microgravity led to nausea. Motion sickness injections were used but it took a few days to recover.
A self described "people person" misses the company of his crewmates who have departed for Earth, but is grateful they've arrived safely.
It's easy to get bored of food when there are limited options. However, eating to stay healthy is important, and is akin to "sport eating."