i had them for five years when i was a teenager they dont hurt putting on the thing that gets to hurting is when they put the wire on the tighting and fixing them for your mouth its not a mayjor pain just keep some wax sticks in your pocket the little wires sometimes come out and youll need the wax
You will feel sore just take Tylenol or something and don't eat really hard foods. It should go away after a day. You get used to it really fast. Occasionally I think I still have mine on even though I got them off around a year and a half ago.