How to stop being a toxic girlfriend?

My partner and I argued a lot. I get mad over small things and I get jealous easily, I feel like it is getting out of control. I have trust issues because of the past. every time he follows random girls or likes, comments on photos of a girl it triggers and I remember all the past he did. Like i want to forget it but i always remember it and keep coming back it's getting hard to move on from it... I just needed some advice ty
How to stop being a toxic girlfriend?
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