How do you get over a verbally abusive relationship and stop being jealous?

My ex and I recently broke up. The end of our relationship was awful, he definitely has narcissist qualities and was verbally abusive. Constantly put me down, insults like my stomach is sticking out during sex (I weigh 115 pounds my nick name has always been skinny bones), not wifey material, tons of name calling: bad in bed, overly anxious etc. Honestly I know the break up is for the best but Im still jealous he's dating a few girls legit 2 weeks after our break up. I know this sounds petty but I know I offer more then those girls yet I still feel jealous. How do I get over this?
How do you get over a verbally abusive relationship and stop being jealous?
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