Also how was your husband diagnosed as having hsv2? Was it just a visual diagnosis? Did they do testing? If they did a lesion culture did it come back specifically as hsv2 or just hsv+ and assumed hsv2 because it was in the genital area? Not all genital herpes is due to hsv2 - a good percentage of it is due to hsv1 too. Can you or hubby recall ever having cold sores?
grace
Your Bell's palsy may not be related to herpes. Even if it is, your husband's illness/outbreak is unlikely to put you at risk for reactivation or worsening of your Bell's palsy.
I do think it is worthwhile for you to get checked to find out your HSV status with a gG-based blood test such as the HerpeSelect. If indeed you both have HSV-2, neither of you need to be concerned about exposure to each other. Hope this is helpful EWH