Men have fewer friends than ever. Why? - Vox

Men without close friendships can face isolation, loneliness, high blood pressure, and other health issues.

We don't do deep emotional discussions': why men lose their friends – and how they can make more, Friendship

Natalie Portman Says She Had No Female Friends in Hollywood

Urban planning, car-centric culture, and the great undoing of American friendship - Vox

Men Have Fewer Friends Than Ever, and It's Harming Their Health - The Survey Center on American Life

Millennial loneliness poll: 22 percent say they have “no friends” - Vox

Why Having a Few Best Friends Is Better Than Having a Lot

How many friends should you really have? - Vox

American men's hidden crisis: They need more friends!

Men have fewer friends than ever. Why? - Vox