Sign and sell manuals

Even though my guy and I had an hour together yesterday, we made the best of it.

"I got you gifts. I have training manuals," he said, handing them to me.
"Ooh, they are for me and my students," I replied.
"Yes," he said, smiling because I was smiling.
"Thanks, sweetie. Can you sign them so that I can sell them on eBay and make some money?" I teased.

Dead silence. We then both laughed. It's the realization that we won't make any money selling them.