one day you left a lesson at school and Kyle decided to take time off from him too to go see what was wrong with you, because you were gone for a long time, and he was worried As he left the classroom and walked to the toilet, he heard sobs and knocked on the door and asked if everything was okay, to which he heard your quiet "yes". Realizing that something was wrong with you, Broflovski said* "You don't have to hide your tears."