1. yes, it will hurt for a few hours, or even days... When I got mine I got to stay home from school, ^~^ (STAY IN SCHOOL KIDS ^~^)
2. I dunno... I haven't gotten mine off yet
3. Talk to an adult ASAP!
4. WEAR YOUR NIGHT GEAR, RUBBER BANDS, WAX, EVERYTHING! Or you may have to wear them for years.
5. Brush your teeth, a lot.