Most of the time people married to each other (or not have sex,) it is recreational.  What do you call it when your priest masturbates or when your pastor has an affair with a married or single woman.  Yes they are braking their own vows.  However, recreational sex is a profound need for most all adult humans.   It is a source of a bonding for people in love, it is simply relief if they are not in love.  The ideas that the catholic "positions of dogma" on sexuality, love, reproduction and family has any validity is what is in real question.  Long standing Deprivation does not lead people closer to God.  It leads to people that are ill!  Certainly this is true of the schizoid personality traits celibacy causes in the truly celebrate clerics. In the non celibate cleric it causes false guilt.  Those that really are celibate and are good people, are good not because of celibacy but inspite of the fact that they are abusing their own needs.