How do I get over my ex?

I was never happy with my ex but now that she’s gone I can’t stop think about her. I’m starting to loose my mind. As bad as our relationship is I did love her. About 3 weeks ago I cheated on her. So I knew I couldn’t go back to her so I had no choice but to dump her. I made up a bogus excuse to break up because I couldn’t tell her the truth.

Now I’ve been sitting at home extremely sad and depressed thinking about her nonstop. I even got carried away sending her too many texts. I’m starting to loose my mind. I don’t even have access to mental heath. So I don't know what to do. It’s eating me day by day.

Our relationship was toxic and all we did was fight. Why do I still miss her so much?
How do I get over my ex?
Post Opinion