I agree with a lot the points you make, particularly the ones about a lot of men bottling things up and not talking. This is even more the case the further back the generations you go in my opinion.
As I stated earlier, I've raised my head above the parapet before with a good friend whose girlfriend was cheating on him and paid the penalty. My best mate no longer speaks with his own sister after he told her about her husband doing the dirty.
Self righteousness aside, the loss of a good friendship still makes sad. And I know my best mate feels this way about the breakdown of his relationship with his sister.