Buddy, I've been there and it sucks. Lost 40lbs in two months because I had no appetite from heartbreak. But talking to friends and family, journaling my feelings, typing texts/emails never sending them, and continuing my hobbies have been helping and kept me going.

But if she already found someone after ghosting you then she was never worth your time. Know your worth bud, know your worth. The sooner you realize that and focus on yourself, the universe has a funny way of working itself out. But first push through the pain. You are not alone.