A friend said him in the eight characters, how can I avoid or crack my wife's punishment?

Wife's punishment: if you are not good to your wife, you will have dry and explosive behavior and will not be considerate of your wife.

Ke Zi: Being harsh or mean to children,

Suggestions for the future:

First, improve his bad habits, especially his personality.

Second, review self-study personal qualities from time to time.

Third, learn Buddhism.