It is very important to be completely open and honest with each other from the get-go. If this is truly something that might be a problem for a man, this needs to be discussed before the parties even think about getting married.
I personally believe that only an insecure man would truly be intimidated by the mind and success of a woman.
I feel a man, who may be less intelligent or earn less than his wife, should rather embrace this fact than being intimidated by it. He should be proud to have married a woman of that stature and should see her as his pride and trophy, and not a competitor to compete with. She is rather a worthy co-pilot and should be treated as an equal.
To dig into these difficult issues, take a look at this article for more information.
