Exactly. Those aren't friends

No no help. You now have learned a valuable lesson. She deserves better than how you've treated her. She gave you multiple chances. Do you understand how shattered and heart broken she must've been? Then to deal with it again... I'm proud of her for moving on. Those aren't friends by the way. Or at least stand up and if they stop and apologize then understandable or if they were bringing up red flags.

Take this lesson and learn how to treat women you are getting to the age where dating habits stick. That's not one you want to stick or get used to.