What's the difference between typical use and perfect use?

What if I meet someone and I'm considering changing my mind about not having sex right now?

Can I use tampons or a menstrual cup with the ring?

Does the ring ever fall out?

I scratched my cervix when taking out my cervical cap. Is that going to keep happening?

Will I be able to feel the cervical cap inside of me?

Will the ring dissolve inside me?

How long until the ring starts working?

How do I know the ring is in the right way?

How effective is the ring at preventing pregnancy?

Will I feel the ring inside of me?

Does your weight affect how well your birth control works?