Research resources cited in Podcast #22:

https://nypost.com/2019/08/02/1-in-5-millennials-are-lonely-and-have-no-friends-survey

https://www.nationalreview.com/2018/01/schools-attempt-ban-having-best-friends-its-mean-exclusive

https://www.mayoclinic.org/healthy-lifestyle/adult-health/in-depth/friendships/art-20044860

https://www.menshealth.com/sex-women/a29552694/men-have-friends-not-lonely