http://sensitive-theuntoldstory.vhx.tv/ Link to the Documentary (Highly recommended) You can rent it and watch online for 4.99
https://hsperson.com/ Link to Dr. Elaine Aron's (principle researcher, author on this subject) website for Highly Sensitive Persons
https://www.amazon.com/s/ref=nb_sb_noss?url=search-alias%3Daps&field-keywords=the+highly+sensitive+person More Reading on the Highly Sensitive Person
https://www.amazon.com/s/ref=nb_sb_noss?url=search-alias%3Daps&field-keywords=mindfulness+and+obsessive+thoughts Link to Amazon page with resources for Mindfulness. I suggest that you start here and see what appeals to you. If you want to discuss the reading options before you purchase that is fine, but not necessary.