Purpose: The purpose of this study is to design love patterns for 
young people living in Tehran with the data theory approach of the 
foundation. The research method is qualitative and exploratory. The 
statistical population included young people aged 19-29 living in 
Tehran.
Materials and Methods: Sampling method was used as nonprobability sampling with purposive sampling. The sample size in 
this study was 20 people and the open interview measurement tool 
was analyzed based on three stages of open, axial and selective 
coding. Based on data analysis, 158 basic concepts (open source), 
44 core code and 21 selective code were identified.
Findings: The results extracted from the analysis of qualitative 
interviews showed that the causal factors of 3 main categories, 12 
sub-categories and 38 primary codes; Underlying factors of 5 main 
categories, 9 subcategories, and 19 primary codes; Boar intervention 
factors 5 main categories, 10 sub-categories and 29 primary codes; 
Strategies consist of 5 main categories, 11 subcategories and 26 
primary codes and finally the consequences of 6 main categories, 14 
subcategories and 46 primary codes.
Conclusion: Therefore, it can be said that the studied youth, as 
activists, follow the epistemological principles and rules in 
accordance with the social and cultural structure of their time period, 
because there is only one epistemological field in each period of the 
actor's life.