In kindergarten  your idea of a good friend was the person who let you have the red crayon when all that was left was the ugly black one. In first grade your idea of a good friend was the person who went to the bathroom with you and held your hand as you walked through the scary halls. In second grade your idea of a good friend was the person who helped you stand up to the class bully . In third grade your idea of a good friend was the person who shared their lunch with you when you forgot yours on the bus. In fourth grade your idea of a good friend was the person who was willing to _ square dancing partners in gym so you wouldn't have to be stuck with Nasty Nicky or Smelly Susan. In fifth grade your idea of a friend was the person who saved a seat on the back of the bus for you. In sixth grade your idea of a friend was the person who went up to Nicky or Susan , your new crush  and asked them to dance with you, so that if they said no you wouldn't have to be embarrassed. In seventh grade your idea of a friend was the person who let you copy the social studies homework from the night before that you had forgotten to do. In eighth grade your idea of a good friend was the person who helped you pack up your stuffed animals and old baseball, but didn't laugh at you when you finished and broke out into tears. In ninth grade your idea of a good friend was the person who would go to a party held by a senior so you wouldn't end up being the only freshman  there. The main idea of the passage is that   _  .
Everyone needs friends in his life Friends are important in our daily life We need the same friends no matter how old we are We need different friends in our different life stages