Commitment is a big part of what I am and what I believe. How committed are you to winning? How committed are you to being a good friend? To being trustworthy? To being successful? How committed are you to being a good father a good teammate a good role model? There's that moment every morning when you look in the mirror: Are you committed or are you not?
In hard-core science fiction in which characters are responding to a change in environment caused by nature or the universe or technology what readers want to see is how people cope and so the character are present to cope or fail to cope.