Because 7 ate 9...and did 10 years in a federal penitentiary plotting his revenge. When he was released he came after 9's family, killing them all brutally one by one and then burned the house to the ground. *That's* why 6 is afraid of 7. That number is hardcore.
Many of the jokes are contributions from our users. If you find anything offensive and against our policy please report it here with a link to the page. We will do everything to make this an enjoyable platform for everyone.