Some schools have policies that require gym teachers to be in the locker rooms while students are changing. If that makes you uncomfortable, talk to your principal about it and...
She sounds like a tough friend. But she is there for you, so she sounds like a really good friend, too. To break a bond, you can't stretch the truth....
You can start by decluttering your room! Take the toys out or anything that looks too childish. If your parents won’t let you sell or donate them, pack them away...
It's possible that your issue with scum marks isn't due to the soap you use, but rather the water. People who have hard water tend to not be able to...