Think about the last time you had told that you would to do something, but you didn't do it. Your co-workers will notice that are not keeping your promises very soon. Unreliability is one of the fastest killers of teamwork.
Think of your boss
Your team leader should see that you respect him. The best way to do this is to simplify his life - perform tasks on time, communicate and be reliable.
Don't resist change
Most projects mark various changes during their implementation. Your attitude to changes should therefore be as positive as possible (but not blind). It is important to share information with others. Keep important things secret will not help anyone.
Don't condemn different working styles
Different does not mean bad. When you don't understand why your colleague is doing what he is doing, just ask him. Both of you will gain the opportunity to find a common sense and learn something new.
Keep a positive attitude
Remind yourself that you can't always do everything perfectly. Be open to feedback. It sounds like a cliché, but put your hand on your heart - How much able are you to receive constructive criticism? Can you accept it positively?
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Article source Project Times - a US website and community focused on project management