a unique in its individuality combination of properties in each particular person, forming a stable unity, which can be considered as a relative constancy of the mental image or constitution of the personality (A. V. Petrovsky). This is a system of mental properties and qualities of a person, which determines the specifics of reflection and experience of various aspects of natural and social reality, which affects the formation of a subjective picture of the world and is manifested in the features of the activity and behavior of the individual. It is important to note that the psychological makeup is a relatively constant characteristic of a person, but it can change when external conditions change.