OLDER WIFE and younger HUSBAND 3 (bathbrush beating VIDEO)

Eventually, she invited me to join her in bed.
I did.
We had ... sex, such as it was.  Call it 'okay'. 
THEN she said, "Now you get to find out what a post-cum spanking feels like."
I moaned, a little.
"Lay flat on the bed," she said, as she got out a bathbrush.
I did and 

She beat me bottom as I moaned and cried.

"Now we can get some sleep," she said, as she got on bed, and lay on her side, facing away from me.
I got on bed, teary-eyed, and tried to sleep with my bottom throbbing.