There is positive body language to tell people you are enjoying the conversation and vice versa. Therefore, using positive body language and avoiding negative body language is crucial when engaging with others.
Positive body language:
Have an open posture.
Use a firm handshake but not too aggressive.
Keep good eye contact.
Avoid body touching.
Smile.
Negative body language:
Cross your hands in front of your chest.
Always fold your eyebrows.
Talk too loudly.
Avoid eye contact.
Doodling.