@ayachan @DictionaryPlus Apparently it's a "crisis". Here are some old links if you're interested. I haven't seen anything more recent lately.

https://www.salon.com/2013/12/08/american_mens_hidden_crisis_they_need_more_friends/

https://www.washingtonpost.com/posteverything/wp/2014/06/13/boys-are-bad-at-making-friends-and-its-at-the-heart-of-their-violent-behavior/