...pseudobulbar affect syndrome. when the frontal, reasoning center is disconnected from the amygdala, which is the primal, emotional center. The drug helps the neural connections so we don't get an inappropriate response.

I do hope you and DH can figure this situation out...sounds as if you're both having health problems that contribute to the situation...
thanks for being honest with what's going on...I never knew that this was a problem before...with MS patients.