My husband decided he wanted to go down on me, even though I was on my monthly. It was messy, yet it was also so fucking horny. I climaxed at least half a dozen times, and then orgasmed again when he fucked me as I watched his face dripping with my fluids.
It's now become one of, if not the favorite times of the month for us. My periods used to be such a hassle. Now they're something we both look forward to.