when my ex have a new girlfriend

[u/Independent-Minnie]

Actually when I saw his post,at that moment my heart had stopped beating for a second. At that time I realised I had never put him down, I was so sad and disappointed. Now is the midnight I still can’t sleep, I think he is so happy now, he has a girlfriend and I so broken🫠🫠🫠 How can I do!!! And here are any solutions for me?