Coming out as bisexual

So yeah I came out finally to my mom officially. But in doing so raised the question of me being into girls is the reason my ex bff and I broke our friendship after 6 years. That i had gotten feelings for her and so she caught on and called it quits.

To be honest it kinda made me a little upset because that's totally not what happened. She actually ended up talking about me behind my back, spreading lies about me and saying things I never said to this guy I was talking to. He was in on it, so I blocked and deleted out their numbers and never turned back. It has been just over a year and since that day she has said not one word to me.