I put a half-full cup of soda from Extra Mile in the fridge and went out to run some errands. When I got back home, the soda was gone.
“What happened to my soda?” I asked.
“I cleaned out the refrigerator,” my wife said.
The optimist sees the glass as half full. The pessimist sees the glass as half empty and throws it out, even if it belongs to someone else . . .