The likes and dislikes analysis provides a person with a tool for assessing certain factors that could have an impact on the development of a career pass.
Likes are the things a person has discovered to be enjoyable. They can change overtime. eg people might enjoy extensive travelling at one stage of a career and at a later phase find it quite distasteful.
Likes and dislikes be taken into consideration in establishing individual career paths. People should choose careers based strictly on what is best for them personally.