Somatic OCD and Extroversion
https://vinaire.me/2017/07/09/exercises-discerning-the-environment/
https://www.beyondblue.org.au/get-support/online-forums/young-people/aware-of-my-breathing-all-the-time!!
http://www.uhs.nhs.uk/Media/Controlleddocuments/Patientinformation/Respiratory/Breathing-pattern-disorders-patient-information.pdf
https://www.intrusivethoughts.org/ocd-symptoms/somatic-ocd/
https://www.wildmind.org/mindfulness/one/breath-control