Introduction: On the eve of the third millennium, the family is the fundamental social institution and marriage commitment is to maintain the stability and health of the system. Marital commitment means how much your spouse value family relationships and how sustain the marriage incentives. To improve marital and family relations, especially the increase in marital commitment, it is necessary to obtain the relevant information about these structures and to identify factors that affect them. As well as understanding the relationship structures can play a role in education projects and interventions are associated with the satisfaction of couples. Thus, analyzing the factors that play a role in maintaining marital commitment is very important. This study examined two styles of lovemaking and dysfunctional relationship beliefs.

Refers to this love style how people define love or not love. In this study, the order of the Relationship Beliefs is mentality that couple to have their marital relationship and have accepted it as fact. Dysfunctional Relationship Beliefs, including beliefs and thoughts are unreasonable have created problems in relationships. Thus, the aim of this study is to assess the role of love style and relationship beliefs on marital commitment.

Methods: This study is a descriptive correlation study. The population of this study included married employees Azad University of Arak. 108 women (48%) and men (52%) of the sample were selected. The average age of subjects was 39.2 years old, with a standard deviation 5.43 years and the average length of marriage was 16.5 years. After a description of objective research and stressing that the information will remain strictly confidential, participants were asked to anonymously into three questionnaire Relationship Beliefs, love style and marital commitment. Questionnaires' view are as follows: Relationship beliefs list to measure irrational beliefs communication in marriage by Eidelson and Epstein (1982). Subscales of the questionnaire are: Disagreement is destructive, partner cannot change, mind reading is expected, sexual perfectionism, and the sexes are different. Hendrick and Hendrick love style questionnaire by using the Theory of Lee of love built in 1986.

The questionnaire contained 6 styles such as Eros, Storge, Ludus, Mania, Pragma, and Agape. Marital commitment questionnaire of adherence to his wife and marriage measure has been developed by Adams and Jones in 1997. The questionnaire has 44 questions that in a five-point scale, three-dimensional marital commitment includes personal commitment, moral and structural measures. In order to compare the marital commitment, Relationship Beliefs and style of lovemaking between women's and men's t-test was used. To examine the relationship between marital commitment with each of the love styles and relationship beliefs irrational Pearson correlation was conducted to answer the question which of the components of relationship beliefs irrational and style of lovemaking can predict their marital commitment variance from stepwise regression analysis was used.

Findings: In this study, between women and men in terms of irrational Relationship Beliefs sexual perfectionism was significant difference, so that the belief in men than women. It was also found that there was a significant relationship between the duration of the marriage and marital commitment, whatever the duration of the marriage is marital commitment is reduced. The correlation between variables, correlation coefficient marital commitment with the irrational relationship beliefs, the disagreement is destructive equal 0.28

and the partners cannot change was 0.24. Stepwise regression results showed that disagreement is destructive belief, as predictor variables, predictors 21% of variance of marital commitment. So that the disagreement is destructive belief and plays a significant role in predicting marital commitment. The correlation between marital commitment was the Eros love style equal 0.49, mania 0.31, agape 0.42. According to the results of Eros, mania, agape love styles are significant predictors of marital commitment.

Discussion: Since the commitment consider as a decision to continue the marriage it is necessary to help couples to learn communication is a set of skills that can be learned and grown and strengthen their marriage therefore contribute to the stability of the family. This can be achieved by implementing training courses for people getting married, to give up their irrational beliefs to change or modify communication. Also, the results of this study confirm the relationship between the lovemaking style and marital commitment to predict the marital commitment. This knowledge helps to provide appropriate strategies be adopted.