You have to understand the boss and which kind of person he/she is. It helps to continue your work without any inconvenience and difficulty. You have to get an idea of the behavior of you boss. You have to understand it yourself.
When doing a job you must have a target/goal. Identify the way to promote. How powerful you job is, do not use it to your private betterments. Job is not an option to earn more money. protect the job respect. It is your responsibility to learn about your job day by day. Collect even a little thing to your knowledge about your job each day.
Every successful professional is honest, active and driven on self goals.