So my boyfriend and i recently broke up and im REALLY struggling.

Summary of the break up: My bf (we are gonna call him rob) broke up with me on 1.23.19 .... he said he needed to focus on his mental health, making himself happier, and making a better relationship with his family (hes adopted.) I totally supported his decision and we constantly texted back and forth as friends. 4 days later, he got together with a girl who had been his "bestfriend" for a few weeks. They had previously hung out alone multiple times and of course i had multiple suspicions about her. But, both my bf and her both agreed they had NO feelings for eachother (obviously a lie, but at the time i belived them.) That is the part that upset me the most after the break up

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My boyfriend and i had done multiple sexual things together and i trusted him a lot. I was very upset after this entire thing and got really depressed/anxious. Im just trying to find some ways to cope so PLEASE help a girl out :)

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UPDATE****

today i was at a superbowl party and SHE WAS THERE. it was the most awkward thing ever and im still having a panic attack. PLEASE HELP.