Sometimes it happens that a person who at first glance appears to be a model of culture and intelligence is instantly deprived of all of these statuses due to one act.
By making a certain mistake, any person, even one wearing an expensive suit, runs the risk of being considered ignorant.
Psychologists have described in detail what kind of mistake they are talking about.

Never make this mistake in your own actions.
Take note
In particular, we are talking about the bad habit of talking with your mouth full.
The fact is that, according to the rules of etiquette, a person who can restrain the desire to speak without chewing food is considered very disciplined.
In addition, the desire to speak without swallowing food may indicate low development of communication skills.
A person suffering from such a problem a priori cannot give the impression of being a truly intelligent and well-read person.
Give up the habit of talking with your mouth full, and then you will be able to easily and simply win the sympathy of the people around you.