LEARN WITH A LAWYER - BE SINCERE WHEN YOU SPEAK IN COURT.
Be sincere, your words define you. This is true in your day to day life and this is also true if you have a court proceeding. The judge takes your word seriously and whether you are credible or not is very important to your case. Lying, or being rude, or being angry on the witness stand, is only going to hurt your case but being true and honest is the best thing you can do for your case.