How to become dangerous and impressive?

1. Look into people’s eyes no matter who they are.

2. Never appear stressed, always act calm.

3. Don't show your weakness, don't let people use it against you.

4. Dress classy , always wear a watch.

5. Never respond immediately, wait a few seconds, then respond coldly and briefly.

6. Speak slowly, it shows your self confidence in what you are saying.