An inmate at the local detention center was sitting in his cell playing solitaire. Another inmate was watching. Finally the kibitzer spoke up, "Wait a minute. I just caught you cheating yourself."
"Shhh! Don't tell anybody but for years I've been cheating at solitaire. "
"You don't say! Did you ever catch yourself cheating,?"
"Nah, I'm too clever."
MORE WAYS TO LAUGH