NSSI might be highly influenced by social contagion (i.e., friends or acquaintances engaging in NSSI, or being exposed to NSSI in the media, especially the internet), while the maintenance of NSSI is very likely rather be related to intrapersonal functions which develop over time. In the line of social influences, identifying with a certain youth subculture (i.e., gothic or emo) has shown to increase the risk of engaging in NSSI