because it likes the smell of the floor or wall
The friction from rubbing the balloon against your hair charges the balloon up with static electricity.
If it is on hard wood floor spit on the floor and rub your shoes in it to get a grip on the floor.
When it hurts, you can rub it gently with you hand. But, this question isn't really detailed and it's not too easy to answer... If you mean brush it accidentally against the wall or something, then it would be a bit painful in opinion. If you mean rub it when it hurts like if you have scraped it, you can rub it, it would be fine... I couldn't really understand, but I hope it does.
If you rub pyrite against steel sparks would fly.
The balloon is electrified by transferring elect rons from/to your hair. This electrified balloon then attracts electrons on the wall and this attraction force causes the balloon to stick to the wall until the charges decay form leakage to the wall or air.
Get magic eraser and rub on floor until gone. If you get permanent marker on granite, get nail polish remover and rub until gone. If you get permanent marker on your skin, get a magic eraser and rub.
It depends on the tire size also if you dont lift the car a lil when you turn hard it will rub against the tire wall
it burns you.
From the wall, rub gently with thinners on a rag.
lick the floor until it is clean. or pee on it and rub it off
static electricity
because it is electricity