Betray

A man, first time betrays his parent when he has his friend. 
A man, first time betrays his friend when he has girl friend. 
A man, first time betrays his girl friends when he has his wife. 
A man, first time betrays his wife when he has another woman. 
A man, first time betrays his woman because of himself. 
In anytime, a man betrays himself by himself.