@mbeth426 - I spoke with a couple of my trans friends, and described your husband's behavior, as you gave it in the thread. Both of them agreed that he's transgender, and is quite likely to transition. A number of the symptoms you mention are the ones my own therapist uses to help diagnose someone. The sudden loss of libido, and even revulsion with sex is particularly telling, and has been documented in research studies on MtF trans women, particularly gynephillic (they are attracted to women) cross dressers.
You need to get your spouse in front of a competent gender therapist to figure out what's going on and what the next steps, if any, are. Being transsexual can be a very serious and even life threatening condition. (41% of us attempt suicide - 10x the average of LGB people!)
