Rock-Paper-Scissors

Leo was with Momo the other day and he called me on the phone. He said, "Mommy, you wanna play Rock-Paper-Scissors or you don't?" Not sure how this was going to work, I decided to play along and I said, "Okay. Ready? One, two, three." Leo said, "What you got?" I said, "Scissors." He said, "I got Rock. I win. Good-bye."