I'm sorry to hear about your friend-of-a-friend†, but it's crazy to suggest that's meaningful data in isolation. Most of us have known people, or know people w

I'm sorry to hear about your friend-of-a-friend†, but it's crazy to suggest that's meaningful data in isolation. Most of us have known people, or know people who have known people, who have killed themselves; they come from all walks of life. († I suppose that's what you mean by one degree of separation?)