How do I push through and move on from my ex?

I saw he posted a pic with a girl on social media and my heart just sank to my stomach 😞 it's been 2 months since we broke up. 6 weeks no contact. When we were together he wouldn't even post me in social setting with a group of friends let alone just us two. It hurts so much, I just want to be okay.

How do I push through and move on from my ex?
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