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.
I would like to say I do them all but this list has given me some things to work on more. Thank you @ahmadraza