Dramatics, hysterics, loud or wild laughter, and yes, tears, are not appropriate in the workplace. Look the Part Observe the personal appearance of your co-workers and supervisors and determine the 'dress code' in your workplace. You not only want to fit in, you want your appearance to reflect well on your employer. This does not mean that you give up all personal style. It does mean that you demonstrate a willingness to blend with the group.
Appearance is much more than wearing a well fitting suit.
Be alert for details. Be a Positive Force Criticizing and complaining are the worst things you can do. Contrary to your motivation, it simply makes you look bad. We need very little help in detecting faults in conditions and in each other. What we do need is support of individuals and solutions to problems.