Have you ever wondered why you will stone during a presentation?
Its because you are trying to look in your best form and do the best thing so that you are appreciated.
Bu your normal behaviour and demeanour is already your optimal performance, trying to be better is just making you feel not normal and you won't feel you natural self.
Researchers have actually shown that people fear public speaking more than they fear death.
You know why?
People prefer dying that making a mess out of oneself.
They rather die than tarnishing their reputation.
See? People nowadays treasure pride more than anything.
If they are humiliated, they might resort to anything to seek vengeance, or at least, wincing when they meet that asshole that insulted them.
Don't agree? You can try to insult someone seriously and watch how long that hatred lingers.
Human are such fragile and emotional beings.
Thats why people need love to protect them so that they can feel comfortable.
Have you denied someone?
If the relationship matters, go and mend it by at least asking how are they or greet them.
Even if he or she is still furious, these gestures will give surprise and mend the rift.