The main reason why we get nervous is that we don't anticipate and prepare for the occasion and the content of the speech.
Happiness is contagious and so is stress
When you stop complaining about your job, that's the beginning of your strength.
In the workplace, no matter how good the relationship is, it seems fragile in front of interests. Two people who can't wear a pair of pants can fight for their own interests. So the saying "the workplace is like a battlefield" is absolutely true.