The paper gives a brief introduction to existential analysis (EA). It briefly describes how to develop this phenomenological approach and its main provisions. The emotion is deemed as a specific perception of a meaningful life. Emotionality plays a significant role in the existential analysis of anthropology and practice. The former one is the cornerstone of existence, and takes its place among the other three measurements in the existential theory of the EA. The paper presents a phenomenological description of the four-step process of the emotion emergence. It shows how during this process vitality is stimulated, so emotions are important to humans. This is an existential analytic theory of emotions, which explains the importance of the E...