I’d be very very careful of what you share.
She sounds like she could potentially turn and be a snake

It's just a fact of life that people are two-faced and will talk about you behind your back. There's nothing you can do about it. It's best never to think about what they might be saying. Just judge people on how they treat you in real life. Do they care about others, or just about themselves?

Oh, there's really no secret about it.

I think you have observed how she truly is, so expect the same treatment.

Yup, I learned it the hard way

What mistakes did you make?

True.

She may be friendly but she’s no friend. Be careful

I think she’s the one who told me you hate men

You're smarter than I was at 22.