The rule of table etiquette implies that it is not customary to bite off or cut bread with a knife when visiting someone.
Many people do not know how to properly use bread at the table in a formal setting so that it does not go beyond the generally accepted rules.
It would be a mistake to think that bread can only be cut with a knife or broken during a meal.
It is quite polite to take a bite of a slice of bread in a public place.
Table manners suggest that you can break bread into pieces with your hands, but you need to do it carefully.
It is not customary to put pieces of bread straight into your mouth, but rather on your own plate.
It is better to divide a piece of bread into small pieces and do it in such a way that the crumbs do not fly onto the floor.
Divide the bread so that the pieces are bite-sized.
Before putting the bread in your mouth, spread a piece of butter on it using a knife.
And remember that the layer of oil should not be too thick, otherwise it will look impolite and everyone will think that you are too hungry.
Once you have used the knife, it is not returned to the common bowl where the butter is.