What shows you that it is a new paragraph? *

what shows a new paragraph is a space usually 1 or 2 spaces under the first paragraph

Explanation:

example: >you don't have to read what the paragraph says just look at the beginning of them

This is the first paragraph

Psychology, philosophy, religion, and science describe happiness in different ways. In psychology, happiness is defined as a series of pleasant emotions. Experiential happiness depends on how good or bad your experience with something is, whereas evaluative happiness is an assessment of one's thoughts based on past incidents. In philosophy, happiness has often been linked to ethics, morality, and how one performs their role in social life. Modern philosophy, which promotes individualism, has managed to separate happiness from duties and responsibilities. Likewise, different religions look at happiness differently. In Buddhism, happiness is achieving enlightenment and freedom from suffering.

the next paragraph will look like that >

  According to Catholicism and Hinduism, happiness is the end goal of each and every being. Science believes in quantifying happiness and measuring it on various scales. The Subjective Happiness Scale, Positive and Negative Affect Schedule, and the Satisfaction With Life Scale are a few of the happiness measuring systems. Primarily, the Cantril Ladder system used in the World Happiness Report is by far the most popular tool to measure happiness. In general, achieving a goal, reaching a milestone, or doing a selfless deed can be defined as reasons for happiness. According to the 2019 World Happiness Report, Denmark, Norway, Iceland, and the Netherlands are some of the happiest countries in the world. The happiness levels of immigrants matter a lot in calculating the World Happiness Report.

SO EVERY TIME YOU SEE SPACE AFTER IT A CAPITAL LETTER AND MANY SENTANCES KNOW THAT YOU ARE ENTERING A NEW PRAGRAPH AS YOU READ!  

HOPE THIS HELPS