Confused Science Questions

Ok, so I'm in class one day and we are talking about positive and negative charges, so my teacher tells the class that when you rub a balloon to your hair the negative charges from your hair move to the balloon. And I'm wondering well what about the positive charges where do they go do they stay there forever? These are the questions that haunt me. So I tried to google it but no success. I didn't know how to write it but how our science book said it just fine. If only I remember, I was probably asleep. I just want to take a long nap but that would throw off my sleep schedule and then I would be tired the next day, take a nap, and be tired the day after that... I just have a mind that never turns off even when I'm asleep.