Feeling regretful (in other words feeling sorry for doing or saying something)
no arrogant means;;. 1. Having or displaying a sense of overbearing self-worth or self-importance. 2. Marked by or arising from a feeling or assumption of one's superiority toward others: an arrogant...
the term manner means to have a mean manner.
Manners mean a lot and can define people in different ways. It is important to have manners because they make you more proper and polite to people.
Generally speaking, the more well-mannered the populace is, the more civilized and pleasant everyday life is, and more pleasnt for all concerned .