Exactly. I guess if it got out of hand or if it caused problems in your relationship or otherwise negatively impacted your life or relationship, treatment would be necessary. I'm nearly convinced that my wife will never take the plunge, but she plays along with me to prevent me from being disappointed. In the heat of a good romp, she'll admit to wanting to suck a stranger's cock, or to wanting to have sex with other men, but when the dust finally settles, she refuses to talk about it.