Very comprehensive article about self harm and how to cope.
https://www.healthyplace.com/abuse/self-injury/how-to-stop-self-harm-self-injury-behaviors
https://www.polyvagalinstitute.org/partner-courses/a-paradigm-shift-in-understanding-children’s-behavior%3A-conversations-with-drs.-delahooke-and-porges
https://www.straitstimes.com/singapore/health/more-young-people-seeking-mental-health-chat-help