Seriously! What kind of stupid saying is that? Logically speaking, the news can only be good if it makes you happy. And what about 'no news is good news'? Does that mean that aside from receiving bad news you should always be happy?
Who wouldn't be happy with good news? But then again, one person's views on what makes news good may not be the same as someone else's. So in that case good news would not lead to happiness. But then technically, it is not good news, at least not to the person who sees it as bad news.
I think I'm beginning to talk in circles. How about we change it to a more interesting fortune. "You will be sad in receipt of good news." Now think about some good news that could yield sadness...that I can do...but I'd rather not....
Good news doesn't guarantee happiness, but what other kind of new would bring about such a feeling?