Highly Sensitive People and Empaths:
https://highlysensitiverefuge.com This is a website with tons of resources for and about highly sensitive people including research identifying the gene associated with this trait, empaths, and highly sensitive children.
“The Empath’s Survival Guide” by Judith Orloff She also has many other books that are wonderful resources for Highly Sensitive People and empaths.
https://www.ciispod.com/#/anita-moorjani/ An interview with Anita Moorjani about her book “Sensitive is the New Strong: The Power of Empaths in an Increasingly Harsh World” and her own personal experiences as an empath.
“Boundary Boss” by Terri Cole This gives great real life examples and guidance for setting boundaries.
https://www.resources.soundstrue.com/podcast/terri-cole-becoming-a-boundary-boss/ Podcast from Sounds True with Terri Cole about her book “Boundary Boss” .
How to Apologize:
Bene Brown’s 2-part interview with Harriet Lerner about how to apologize, gives really clear real world examples: https://brenebrown.com/podcast/harriet-lerner-and-brene-im-sorry-how-to-apologize-why-it-matters/