We can't change others. We can only change our own feelings and actions.

You don't give many details in your post, so I am not sure what you mean by "inappropriate language." Has your husband actually received a diagnosis of sex addict? This can be a very serious problem, and there are therapists who can help. Also there are support groups and a program called Sex Addicts Annonymous - http://www.saa-recovery.org/.

Here's some more info:

http://www.medicinenet.com/sexual_addiction/article.htm

http://www.sexual-addiction.net/index.php