Self-assessment, since this is when you will find your personal value through different occupations, discover more about personality , interests, values, etc.
The doctor. most likely, is referring to the settling process. In this process, the muscles are still adjusting or on the process of healing so he is experiencing some back pains due to this. Once the muscles are settled in place, he would feel normal again.
Family members can support good eating habits which is great for good nutrition. They should also be there for that child emotionally. An example of positive behavior would be to listen to your child when they talk about a serious issue they have such as anorexia, bulimia, depression, etc. An example of negative behavior would be to ignore them when they talk about serious issues such as the ones previously listed.