Ex deleted me everywhere. im shaking and feel terrible?

I haven't talk w my ex for a month. We broken up since March. He wanted to stay friends cuz he cares, and today I just discovered he has a new girlfriend and he deleted me everywhere.
Why would he deleted me anywhere?

Discovering this, made me feel sad that I wanna cry but cannot, at the same time its crushing me a bit.
Ex deleted me everywhere. im shaking and feel terrible?
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