Have this behaviour to be more confident

1. They welcome you with a smile on their face.
2. They have a strong but firm handshake.
3. They are always dressed well and groomed.
4. They keep their eye contact when speaking to you.
5. Arm akimbo. This is the superman-like pose with one or two arms. This shows confidence.
6. They stand straight, instead of slouching their back.
7. They are the first person to speak up and the first to ask questions.
8. They are aware of their strengths and weaknesses.
9. They praise themselves for their hard work.
10. They have a positive outlook on life.
11. They remain calm, even in a high-pressure scenario, showing people that they're in control.
12. They know when to say “no” to somebody.
13. They can be assertive and are usually the team leader.
14. They speak in a slow, confident manner so that the other person understands them clearly.
15. They don't seek attention from others.
16. They wait until the person has finished talking before they say their opinion.
17. They accept challenges and take risks.
18. They step out of their comfort zone.
19. They don't take criticism or other people's opinions to heart.
20. They stay away from drama and focus on themselves.
21. They don't engage in gossip, because there's no need for them to boost their self-esteem by speaking badly of others, as they have enough confidence.
22. They don't compare themselves to others.
23. They don't see the point in pleasing people.
24. They don't need constant reassurance.
25. They don't quit after failures and setbacks.
26. They don't blindly follow before knowing the facts.
27. They don't judge others, rather, they acknowledge the person's strengths.
28. They speak less and listen more.
29. They aren't afraid to be wrong.
30. They don't seek other people's approval.
31. They use their past mistakes as learning opportunities instead of dwelling on it.
32. They celebrate their success and the successes of others.
33. They boost others, not demean them.
34. They are generally happy and optimistic.
35. They accept change.