Two guys were camping in the woods where there were grizzly bears. As they were getting ready to go to sleep, one of them started putting on running shoes. "Why are you doing that" the other camper asked. "In case a bear chases us", replys the camper with the running shoes. "That's silly, you can't outrun a bear", says the other camper. "I don't have to" replied the one in running shoes. "I just have to outrun you".
