It's supposed to be a good thing. We're told that women want men to do this and it really frustrates them when we won't. There's propaganda that it's what "real men" do and how happy it makes women.
Good news ladies, it can happen but we need your help! On those rare occasions when the man in your life does express his feelings - especially if it's about inadequacy, fear, grief etc - put your arms around him and whisper in his ear "That's so sexy darling, let's go upstairs….."