Behaviors of a confident person:

• They don't show off.
• They can say no without any explanation.
• Reacts same for a compliment and criticism.
• Least bothered about what others think.
• Emotionally balanced.
• They are not afraid to take any challenge.
• Thinks about solution rather than the problem.
• Ready to take calculated risks.
• They don't fight for rights, they know how to get them.
• Usually they are not tensed, because they know how to get the things done.
• They feel less insecurity.
• They don't compare with others.
• They know there is a solution for every problem.
• They stand straight.
• Smile when look at to new people.
• They can deal any situation.
• They treat Janitors and rich same way…

Finally they know life is brief, don't waste time on things which are not worthwhile.