All are indications that they are uncomfortable. People will be concerned about what they have to give up. Feelings of loneliness are common even though many other people are going through similar changes. Many participants will be looking around the room to see what the others are doing and experiencing. People will be reluctant to change when they don't see the relevancy in changing.
People can only deal with so much change.
Be aware of this personally. People are at different points of readiness for change. Young people are usually more flexible that older people. Often it's others around you who won't let you change. They've normed you out and are uncomfortable if you change.