Pretty stunning data on dating
Interesting throughout, but most of all see pp.5-6, comparing how men rate women to how women rate men. Here is half of that story:
Here is the link, by Dan McMurtrie, via David Perell. The top of p.2 will indicate why friendship may be in decline:
You also can see that meeting on the job peaked in the 1990s, and do I need to tell you about meeting through church and the neighbors? Recommended.