The first steps to knowing what you want to do and how to go about it is by understanding what makes you tick.
There are a few personality quizzes you can do to identify your profile and understanding your strengths, weaknesses, drivers and communication style.
This can help you with relationships and communication at home or at work.
Employers often use these profiles to decide how to manage you or if you will fit in the team.
Myers-Briggs - identify your personality strengths and weaknesses
Colourworks - identify your colour personality profile
DISC - paid for - more in depth of both the above