.. or should I say.. mean wife?

So my DH reads my blog once in awhile.. and yesterday morning, he bugged me with a question..

: what's DH?

:

(it was early in the morning, I was asleep, my DH didn't understand any words coming out of my mouth.. I didn't even remember any conscious moments then)
he asked me again that afternoon

: what's DH? I know H is Husband.. but what's D??

: DUMB..