Men's sexual dysfunctions such as premature ejaculation, delayed ejaculation, impotence, or inferiority complex of sexuality necessarily cause relational problems. 

They often cause the state of ennui or sexlessness. 

Neglecting sexual dysfunctions cause and aggravate relational problems no matter how hard the couple try to solve problems in other ways. They become more stressed and wounded and have more arguments than before. 

It is crucial to understand that men's sexual dysfunctions cause relational problems. Also, it is crucial to understand that couples who have a good sexual relationship tend to have less relational problems. 

When a couple have sexual problems, it may be caused by men's sexual dysfunctions. Treating sexual dysfunction is the wise approach to solve relational problems. it may be the fastest way to restore romantic relationship or marriage relationship

Xes Therapy guides men to  change their body and mind for the better by treating xes wounds. Men can build true sex ability and happiness ability, which will naturally restore their relationship with the partner. It restores healthy operation of the unconscious to restore sexual functions. It is provided by Korea Institute of Psycho-education as one of the best treatment method of men's sexual dysfunction.