Never mess with your colleagues.
Don’t ask someone about their salary and virginity.
Never complain too much, just take action instead.
Don’t log in your personal social media account in office pc.
Never share your personal information and personal problems in the office.
Always set 2 deadline for a task.
Make your senior feel important.
Don't say I will do this tomorrow, complete it now if possible!
Treat everyone equally.
Upgrade yourself daily.