Being labeled a bully or a victim may itself do harm to kids. Labels imply fixed qualities in people -- that people's personalities cannot change.
I began to think my value was based on being the best all the time. I stopped resting or doing things that were fun. I became afraid to speak my mind in fear that others would be mad at me.
Your body is in a constant state of transformation and regeneration, and your experiences, no matter how seemingly inconsequential, from bullies to crushes to sloppy joes, have all left an indelible mark within you -- and more importantly, within your genome.
Kids need to suffer. At least a little. That's how innocent and vulnerable children evolve into durable, resilient adults.