When your boredom reaches a level that shows there is no god.
Person 1: I'm gonna type qwertyuiopasdfghjklzxcvbnmqazwsxedcrfvtgbyhnujmikolpplokimjunhybgtvfrcdexswzaqmnbvcxzlkjhgfdsapoiuytrewq, just to prove there is no god.
Person 2: Why?
Person 1: qwertyuiopasdfghjklzxcvbnmqazwsxedcrfvtgbyhnujmikolpplokimjunhybgtvfrcdexswzaqmnbvcxzlkjhgfdsapoiuytrewq