Smile with your teeth, use expressive but not overdone gestures below chin level with closed fingers, nod three times when talking and tilt your head when listening with chin up, make eye contact to gain credibility unless it's culturally inappropriate, lean forward when listening and stand straight when speaking, and stand as close as comfortable without moving closer if they back away.

1. Body Language
The Six Secrets of Attractive Body Language

2. Face
Have an animated face and make smiling a part of your regular
repertoire. Make sure you flash your teeth.

3. Gestures
Be expressive but don't overdo it. Keep your fingers closed when you
gesture, your hands below chin level and avoid arm or feet crossing.

4. Head Movement
UseTriple Nods when talking and HeadTilt when listening. Keep
your chin up

5. Eye Contact
Give the amount of eye contact that makes everyone feel
comfortable. Unless looking at others is a cultural no-no, lookers
gain more credibility than non-lookers.

6. Posture
Lean forward when listening, stand straight when speaking.

7. Territory
Stand as close as you feel comfortable. If the other person moves
back, don't step forward again.