Laff it off

Couple in bed, wife is trying to sleep and hubby is reading. Every so often, hubby puts his hand under the sheets and touches her fanny. Wife takes off her nightie and hubby says,"Not tonight, I'm trying to read." She shouts, "Why the hell did you start with the foreplay then?" He replied, "That wasn't foreplay. I was just wetting my fingers to turn the pages.