EX Girlfriend constantly broke up with me, it's affecting my current relationship?

Anonymous
This was my first serious relationship, never had a problem getting ladies, but decided to get serious with this quiet, beautiful girl I met on the bus... Whenever my ex ( we dated 4years) was upset or the weather changed, she'd break up with me, we'd get back together within the hour... this went on for years and she blamed her seasonal depression (undiagnosed).
By year 3, her true colours of manipulation and toxicity came out. I was being abused, and treated like dirt. I actually ending up proposing, she said yes and I visited her and her family 3 days later with gifts and celebration. When I got back home she called to break up again and she was laughing, and I could hear her siblings laughing behind her... that was that, blocked on everything, and Im doing way better without her. It's been 3 years since that occurance.

In my new relationship, (1.5years) , I find Im emotionally waiting to be broken up with, really causes me to feel disconnected at times... last night she jokingly said id break up with you so fast if you became like Andrew Tate , and it triggered an emotional numbness... I told her if that's what you want I'll take you home right now, she quickly said she was kidding.

Should I talk to my girlfriend about this? Or will that send her running?
She know about my history with my ex as well, maybe it was a slip up, but I feel really off about her now
EX Girlfriend constantly broke up with me, it's affecting my current relationship?
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