Sign is at facebook.com then go to the upper right-hand corner. It should say account settings.
no its not possible its like trying to access yahoo account without having one
That depends on the person's privacy settings, but mainly, no...
You need to have a facebook account to fully accsess a fan page. But you actually view fan pages even you're not log-in to facebook but you can not like and comment to its contents.
Well it depends if your wife knows your facebook account and it is legal
Wait 24 hours and it should come back.