It keeps their emotions pure. (By which I mean that men tend to sort of instinctively think that talking about their emotions can only degrade those emotions.)
5 Words That Completely Explain Why Men Hate To Talk About Their Emotions
Related posts from John Shore:
John Shore (who, fwiw, is straight) is the author of UNFAIR: Christians and the LGBT Question, and three other great books. He is the executive editor of the Unfundamentalist Christians group blog. (In total John's two blogs receive some 250,000 views per month.) John is also co-founder of The NALT Christians Project, which was written about by TIME, The Washington Post, and others. His website is JohnShore.com. You're invited to like John's Facebook page. Don't forget to sign up for his mucho-awesome newsletter.