What ended your relationship with your best friend?

Things became worse when my other classmate (let's call him x) came between us

My tenth percentage ended my 8 years friendship

When I told my friend about this she just ignored me by saying I am soo jealous of her

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And she just replaced me with a new friend and I spent all my last school days crying and hating my own character 😞

So first X became to close with me and even called me with nicknames and approached me saying he had a huge crush on me

Everything was nice until our 10 result and I got more than her so she started to distance herself from me and d got some new friends

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X spoke me too friendly and the same day I got to know that Sara and X are in relationship for almost 1 year and x trying to get me all this time

Well me and my friend let's call her Sara (name changed) were the only girls in the whole class of 10 students so obviously we both are close with each other but because of my little cold character and straight forward talks we always had some small fights

(I was the last person to know about their relationship that to at the end of 12th)

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Fast-forward to 8 months

…… Never hate urself for some unwanted people and trust them with ur secret 💕

But I politely rejected me and stayed as a friend

I have been married for 34 years, and I found out my wife lied, and cheated a lot back before we got married. Does she not change, or is it possible she is still a cheater?