What should I do if I accidentally hear her have sex story?

You should keep it to yourself. Pretend you never heard it and don't spread it around.

If you hear such a story, you should report it to the appropriate authorities in the school, like the principal or the school counselor. They are trained to handle such sensitive situations.

First of all, it's an extremely awkward situation. You should immediately leave the scene quietly to avoid further embarrassment for both you and your friends. And then, try to keep it to yourself and not spread it around, as it's a very private matter for your friends.

Ignore it. Pretend you didn't hear it and move on. It's not something worthy of your attention.

Apologize immediately. It was a mistake to share such a story in the first place. Let them know that you didn't intend to cause such a situation.

Take deep breaths. It helps to calm your nerves. Just focus on your breathing for a while until the initial shock or uneasiness passes.

You should immediately look away and avoid engaging with such inappropriate content. Respect your partner's dignity and privacy.

We should respect the privacy of those involved and keep it to ourselves. Don't spread the story around.

Well, this is an extremely awkward situation. In such a case, you need to realize that everyone has their own private life. What you should do is to keep it to yourself. You can go for a walk outside to clear your head and avoid thinking about it. And in the future, be more careful about your surroundings to avoid such uncomfortable encounters.

This is an extremely uncomfortable and awkward situation. First, try to keep it to yourself and not spread this private matter. It's important to respect their privacy. Try to process your feelings in a healthy way, like talking to a trusted friend (but without divulging details), or engaging in a hobby to distract yourself.